The Other Marty / Film

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    Films — Animated 
  • Disney had finished recording Aladdin and the King of Thieves with Dan Castellaneta as Genie (Robin Williams had voiced Genie in the original movie only, and Castellaneta had replaced him for the TV series and The Return of Jafar). Then, when the filmmakers managed to persuade Williams to return for King of Thieves, they just threw out Castellaneta's work and re-recorded all of Genie's lines. The design of Aladdin himself is another Marty. His initial design was based off of Michael J. Fox. He, after almost half of the film was drawn, was redesigned to look more like Tom Cruise for better appeal. The DVD Commentary points out when this starts to become more obvious.
  • Walt Disney personally picked Disneyland entertainer Wally Boag to voice Tigger in Winnie the Pooh and the Blustery Day, in the hopes that Boag's animation debut could segue into a long career writing and acting at the studio. Then Disney died in 1966 and the other creatives at the studio, who were more than a little envious of Boag's treatment under Walt, quickly replaced him with Paul Winchell. Winchell himself underwent this treatment in 1998, when he was hired to reprise his role in The Tigger Movie. After just a day of recording lines, he was told that his voice had become too scratchy to play Tigger, and he was replaced by Pooh's voice actor Jim Cummings. When the theme park designers heard about this they felt so bad for Winchell that they hired him back to voice Tigger in The Many Adventures of Winnie the Pooh attraction that was under construction in Disney World's Magic Kingdom, in what would become Winchell's final performance.
  • Jim Varney, of both Ernest P. Worrell and Toy Story fame, played the role of Cookie Farnsworth in Atlantis: The Lost Empire. Before he could finish recording all his lines, Varney died of lung cancer. As a result, Steve Barr had to finish the rest of Varney's dialogue for Cookie, which was ultimately just one line.note  Varney is, however, still credited for the role, which was ultimately his last. In fact, Varney did the role knowing that he would never see the finished product. Now that's dedication to your craft.
  • In Bolt, Chloe Moretz was the first choice to voice the role of Penny, and apparently voiced the character for the entire film. But she was replaced by a stunt-cast Miley Cyrus, who went on to re-record most of Penny's dialogue, though Moretz's voice for Penny as a child still remains.
  • Nancy Giles was originally cast as Sawyer's speaking voice in Cats Don't Dance. The animation was almost finished by the time Giles dropped out and Jasmine Guy took over.
  • The title character of Chicken Little was originally written to be a girl and Holly Hunter was cast in the role. She recorded all her dialogue before Executive Meddling changed the character into a boy. The revised character was voiced by Zach Braff.
  • Cal in Cloudy with a Chance of Meatballs was originally voiced by Tracy Morgan, but was replaced by Bobb'e J. Thompson at some point late in the production, as the art book still lists Morgan as Cal's voice actor, and a number of animation reels still have his voice in them (this can be seen at 0:50 and 1:37 here).
  • Al Pacino was cast as El Macho in Despicable Me 2 but was replaced late in post-production with Benjamin Bratt after reported "creative differences". His name could still be seen on most of the trailers leading up to the movie's release.
  • William H. Macy was originally cast as Marlin in Finding Nemo and recorded all the dialogue for the film before he was replaced with Albert Brooks, whom the filmmakers felt was a better fit for Marlin's neuroses and overprotective manner.
  • The entire cast of The Good Dinosaur, save for Frances McDormand, was swapped out during the film's Troubled Production. For instance, protagonist Arlo was to be voiced by 29-year-old Lucas Neff. After the story was revised, Arlo was made younger and thus voiced by 13-year-old Raymond Ochoa.
  • Hercules:
    • John Lithgow was the original voice of Hades. While he had recorded the majority of the dialogue, Lithgow was ultimately replaced by James Woods because the producers felt he wasn't energetic enough.
    • Josh Keaton originally both spoke and sang for Young Hercules. However, because of puberty and a pop music background, he couldn't hold the Incredibly Long Note at the end of "Go the Distance (reprise)". In the final movie, Roger Bart sings for Young Hercules instead.
  • For The Jetsons: The Movie, Janet Waldo was originally going to reprise her role as Judy Jetson, and apparently recorded her lines for the film. However, she was replaced by Tiffany, who was originally only supposed to be Judy's singing voice, at the insistence of Tiffany's manager. As a result, the voice director (Andrea Romano) refused to take credit. Also, because both of the lead male voice actors, Mel Blanc (Mr. Spacely) and George O'Hanlon (George Jetson), died during filming, Jeff Bergman dubbed some of their remaining lines.note 
  • Kung Fu Panda 3 originally cast Rebel Wilson as Mei Mei, the ribbon-dancing Panda. The extended production schedule forced Wilson to drop out, so Kate Hudson took over the role. Mei-Mei's scenes were re-animated to accommodate the change.
  • The Lion King:
    • Jeremy Irons not only provided the speaking voice for Scar, the main antagonist, but also his singing voice as well. However, toward the end of the song "Be Prepared", Irons almost stressed his vocal cords, and as a result Jim Cummings, who voiced Ed the hyena, had to be brought in to record the remaining lines. If you listen carefully, you can hear that he sounds more like Razoul after the line "You won't get a sniff without me!"
    • In the German dub, Uwe Paulsen was originally cast as Zazu. However, the part was recast and went to Eberhard Prüter. Paulsen can be heard in the original soundtrack version of "Ich will jetzt gleich König sein" ("I Just Can't Wait to be King") and in the radio play version.
    • The Italian dub was originally recorded with Luigi Ferraro and Renato Montanari as Timon and Pumbaa, but for some reason they were redubbed by Tonino Accolla and Augusto Giardino in the final product. For a mixing error, the 2004 DVD release uses the original recording of Timon and Pumbaa's voices, with many people believing that they randomly redubbed two of the movie's most beloved characters just to piss them off. The 2011 release featured once again the classic voices, to everyone's rejoicing.
  • For Meet the Robinsons, child actor Daniel Hansen recorded all of his lines as Lewis, the film's lead. Then at one point, the script went through some changes and they needed him to re-record some lines. Unfortunately, Hansen's voice had broke and he didn't sound the same. So Jordan Fry was brought on. The result is that both Hansen and Fry voice the character at different points in the film. Luckily, this isn't obvious.
  • The Nightmare Before Christmas:
    • Vincent Price was originally cast as the Narrator/Santa Claus and even recorded the opening narration. Due to the death of his wife, Coral, and his own failing health,note  Price's voice was too weak for the role, so the role was recast with Edward Ivory.
    • Patrick Stewart was also considered for the role; he recorded the opening and closing narration on the film's soundtrack.
  • Shrek was originally supposed to be a vehicle for Chris Farley, but Farley died before he could complete recording and was replaced by Mike Myers. This turned out to be a good thing for the film, because Myers decided he didn't like the screenplay and pushed for a major revision. Amazingly, the writers obliged, and the rest is history. Also, in a rare same actor version of this, Myers originally recorded the whole role in an American accent before deciding that Shrek should sound Scottish.
  • Maile Flanagan was originally cast as Colin in The Simpsons Movie, but was replaced at some point with Tress MacNeille.
  • John Malkovich was originally cast as Professor Screweyes in We're Back! A Dinosaur's Story. About midway through production, he was replaced by Kenneth Mars. Some snippets of his voicework, along with the deleted scenes explaining his missing eye and the crows, can be seen here.
  • In Yellow Submarine, Peter Batten was the voice actor of George Harrison. Towards the end of the recording session, it was discovered that he was a deserter of the British army, which led to his arrest. As a result of this, Paul Angelis who voiced Ringo Starr and the Chief Blue Meanie, recorded his remaining lines.
  • In Justice League: Throne of Atlantis, the sequel to Justice League: War, Sean Patrick Thomas had originally replaced Shemar Moore as Cyborg due to other commitments the latter had. However, when Moore became available again, the producers decided to redub it in order to provide Cyborg better continuity.
  • In a rare same person situation, A Goofy Movie had Bill Farmer, Goofy's voice actor, be advised by Jeffrey Katzenberg to record the dialogue with his natural voice rather than the character's trademark voice. This was because he thought audiences wouldn't identify with someone who had a silly voice. After a few sessions, it was agreed that Goofy's trademark voice should stay, hence why he rerecorded his dialogue.

    Film — Live Action 
  • The Alien film series:
    • Actor Jon Finch had been cast in the role of Kane for Alien, but had fallen very ill due to his diabetes and was replaced by John Hurt.
    • James Remar was originally cast as Cpl. Hicks in Aliens, but James Cameron had him replaced with Michael Biehn a few days into shooting. A few shots of Remar from behind still made into the film.
  • All Quiet on the Western Front originally had comedienne Zasu Pitts as Paul's Mother. A preview audience kept laughing when she appeared on-screen, forcing director Lewis Milestone to reshoot her scenes with Beryl Mercer.
  • All the Money in the World was completed and ready for a December 2017 release when Kevin Spacey, who played the significant supporting role of J. Paul Getty, was accused of sexual misconduct and rape two months beforehand. In November, Spacey was dropped from the film and his scenes as Getty were re-shot with Christopher Plummer in the role.
  • Shailene Woodley was cast as Mary Jane Watson for The Amazing Spider-Man 2, but the character was cut from the film. In the subsequent franchise reboot, the role of M.J. was recast.
  • Annie Get Your Gun:
    • Betty Hutton replaced Judy Garland after MGM had recorded Garland's songs and filmed a few of her scenes.
    • Frank Morgan was cast as Buffalo Bill, but died just after filming one scene. He was then replaced by Louis Calhern.
  • The role of Willard in Apocalypse Now was originally played by Harvey Keitel, but he was fired about a week into shooting and replaced by Martin Sheen. Sheen later suffered a heart attack during filming, and several scenes in the finished film actually feature his brother Joe Estevez instead.
  • Back to the Future:
    • Eric Stoltz, the trope naming Other Marty. Until the Blu-ray release, the only publicly released footage of Stoltz as Marty were still images. The Blu-ray release has, for the very first time, actual video of Stoltz as Marty - as part of a half-hour bonus feature covering pre-production as a whole, with his scenes amounting to about ten seconds total, with no audible dialogue. Footage of Stoltz as Marty survives in the finished film during the scene when Marty is trying to outrun the terrorists. Much of the driving footage features Stoltz behind the wheel (see here), though he is barely visible through the windshield. Thomas F. Wilson also confirmed Marty punching Biff still retains footage done with Stoltz.
    • The recasting of Marty also affected the casting of Jennifer. Claudia Wells was originally cast for the role, but left to shoot a TV pilot, so Melora Hardin took over. When Stoltz was replaced, Hardin was dismissed when the filmmakers determined she was too tall opposite Fox. By then, Wells's pilot wrapped, and she got the part.
    • J. J. Cohen was the other Biff. Originally, Cohen was cast as Biff Tannen, but he didn't look so imposing next to Stoltz, so Thomas F. Wilson was cast as Biff while Cohen was recast as Skinhead, one of Biff's mooks (it probably helped in recasting Marty that, height differences aside, Eric Stoltz and Michael J. Fox look very similar). According to Bob Gale, had Michael J. Fox been cast as Marty from the beginning, Cohen would definitely have landed the role of Biff/Griff/Buford Tannen instead of Wilson.
  • Barbarella: The actor originally chosen to play disorganized Rebel Leader Dildano was Antonio Sabato, and the scene was shot with him. However, his performance was deemed too serious and he was replaced by David Hemmings. Photos of Antonio Sabato in character exist.
  • Gig Young was originally cast as The Waco Kid in Blazing Saddles. He collapsed on his first day on the set due to Alcohol Withdrawal and Gene Wilder immediately replaced him.
  • The 1976 film version of The Blue Bird originally cast James Coco as Tylo, the dog. Coco suffered a gallbladder attack, so he was replaced by George Cole.
  • Blue Skies originally cast tap dancer Paul Dapper as Jed Potter. Dapper was dismissed a week into production due to his speech impediment and overbearing criticism of co-star Joan Caulfield's dancing abilities and was replaced by Fred Astaire.
  • Bride of the Monster. Loretta King replaced Ed Wood's girlfriend Dolores Fuller, because Wood believed King when she said she could finance the rest of the film. Fuller was given a minor role, and the one instance in the film in which the two actresses interact is strained, at best. Give Fuller credit for keeping her cool and being a professional about the whole thing.
  • Bruce Willis was cast as Phil Stern in Woody Allen's Cafe Society, but was let go after a week when he became unbearable to work with. He was subsequently replaced with Steve Carell.
  • Frank Sinatra was originally cast as Billy Bigelow in the 1950s film version of Carousel. Because they had to shoot each scene twice, once in standard 35mm film and once in the new 55mm film, he left the production, and Oklahoma! co-star Gordon MacRae was cast instead. Though nothing was ever filmed, they had started sound recordings before Sinatra left. Ironically, a few weeks into production, a conversion process was discovered, rendering multiple takes unnecessary.
  • The title role of The Cat in the Hat initially went to Tim Allen. Allen, who never liked the book that was the basis of the movie, wanted to make the character more cynical than it already was, and was also having issues with another project he was doing at the time, The Santa Clause 2. In the end, the conflicts forced filming to be delayed, and Allen was ultimately replaced with Mike Myers, who only signed on to fulfill a legal settlement he had with production studio Universal.
  • An unnamed American child actor was cast as Cleopatra and Caesar's son, Caesarian, in Cleopatra. When production stalled on Cleopatra's entrance into Rome, the actor grew too tall during the interim, and Italian Loris Loddi took over.
  • In Deep Rising, Claire Forlani was cast as Trillian St. James, but she left a few days into filming due to Creative Differences with the director Stephen Sommers and Famke Janssen eventually took her place.
  • Aaron Eckhart was cast as Andrew in Divergent, but dropped out at the last minute, and was replaced with Tony Goldwyn.
  • Lynn Lipton was originally cast as Marge Houseman in Dirty Dancing, but fell ill a week into filming. Kelly Bishop, originally cast as Vivian Pressman, took over the role while Miranda Garrison filled in the vacant role of Vivian.
  • Bradley Cooper was originally the voice of Bailey the Dog in A Dog's Purpose, but was replaced at some point by Josh Gad.
  • For Double Jeopardy, Jodie Foster was originally cast in the role of Libby Parsons, but she became pregnant and Ashley Judd signed on to replace her.
  • In addition to the three roles note  he did play in Dr. Strangelove, Peter Sellers was also cast as Major Kong. Sellers sprained his ankle just as they started filming and could not work in the cramped B-52 set. Slim Pickens stepped in to play Kong.
  • Enter the Ninja was originally supposed to star black-belt champion Mike Stone, who was also responsible for the film's story. Executive Meddling intervened after shooting started, and Stone was reduced to being Franco Nero's Stunt Double.
  • Averted in Equilibrium, apparently because they couldn't afford to reshoot the scenes. As a result, two actresses are credited as playing the protagonist's wife: one as "Preston's Wife" and the other as "Viviana Preston".
  • The original cut of The Exorcist III had Brad Dourif play "Patient X", later revealed to be Father Karras possessed by The Gemini Killer. When the producers demanded someone from the first film to appear, director William Peter Blatty brought back Jason Miller to reprise Karras and re-shoot many of Dourif's scenes. In the final film, "Patient X" alternates between Miller and Dourif depending on whose perspective the audience is seeing him from.
  • During the long production of Eyes Wide Shut, this occurred twice. First Harvey Keitel left to do Finding Graceland, being replaced by Sydney Pollack. Then Jennifer Jason Leigh was already in Canada filming E Xiste Nz when Stanley Kubrick asked her to return to London and refilm her scene, leading Marie Richardson to fill in her part.
  • In 1954, Abbott and Costello were shooting a comedy called Fireman Save My Child when Lou Costello fell ill and had to drop out of the film. Universal replaced Abbott and Costello with Hugh O'Brian and Buddy Hackett, and made Spike Jones and his City Slickers, originally just guest stars, into the main attraction. Abbott and Costello are still visible in the completed film, in some long shots.
  • Jason Robards was originally cast in the title role of Fitzcarraldo but fell ill early into filming. Director Werner Herzog eventually cast his frequent collaborator Klaus Kinski in the role.
  • In Flight of the Intruder, for the court martial scene, the prosecutor was played by Ed O'Neill. During a test screening, the moment O'Neill appeared onscreen in his army uniform, there was laughter from the audience because of O'Neill's other role, Al Bundy on the sitcom Married... with Children. The scene had to be reshot with Fred Thompson playing the role.
  • In Freaky Friday, Jodie Foster, who played the daughter in the original movie, was originally cast as the mother before Foster decided that such a casting stunt would hurt the film's overall merit. Annette Bening was cast instead, but she herself dropped out of the film to focus on her family, and Jamie Lee Curtis was cast in the role four days before filming began. It ended up paying off, as Curtis was nominated for a Golden Globe for her performance.
  • Linda Fiorentino was set to play the role of Julie Redlund in Freejack but dropped out at the last minute due to scheduling conflicts. Rene Russo was cast in her place.
  • In the film version of The Fugitive, Richard Jordan was originally cast as Dr. Charles Nichols, but he was extremely ill (he ended up passing away a few weeks after its release), thus being replaced with Jeroen Krabbe.
  • Samantha Morton was cast as the voice of the operating system in Spike Jonze's Her, and it was her voice that Joaquin Phoenix acted off of on the set. She was replaced by Scarlett Johansson who re-recorded all of Morton's lines. Morton is, however, credited as an associate producer.
  • The Hours:
    • Zeljko Ivanek was originally cast as Richie Brown's friend, Louis Waters. He filmed his part, but was replaced by Jeff Daniels when producer Scott Rudin felt he was too young to act opposite Ed Harris.
    • Betsy Blair was initially cast as older Laura Brown when the filmmakers felt that they couldn't convincingly age Julianne Moore (young Laura) for the role. They changed their minds after reviewing Blair's dailies, so they got Moore to play older Laura as well.
  • Lily Rabe was cast as Commander Lyme in The Hunger Games: Mockingjay, but had to back out of Part 2 due to theatre commitments. Her scenes from Part 1 were cut, and Gwendoline Christie replaced her for Part 2.
  • Klaus Maria Brandauer was originally cast as Captain Marko Ramius in The Hunt for Red October, but two weeks into filming, quit because of other commitments. He recommended Sean Connery, with whom he starred in Never Say Never Again, to take over the role.
  • Bette Davis and Joan Crawford loathed each other and constantly feuded on the set of Whatever Happened To Baby Jane. When they were paired again on Hush...Hush, Sweet Charlotte, Crawford faked an illness and left the set two weeks into production, in an ill-advised power play. She was fired from the movie. Olivia de Havilland was hired on short notice and played Crawford's part. Production stills of Crawford acting in the movie have survived.
  • When Heath Ledger died during production of The Imaginarium of Doctor Parnassus, casting got creative and combined this with The Nth Doctor to have himself, Johnny Depp, Jude Law, and Colin Farrell all play his character. Each of the replacements donated their salaries from the film to a fund for Ledger's daughter Matilda, since he had died before revising his will to include her.
  • A sort of a reversal of this: In The Incredibly Strange Creatures Who Stopped Living and Became Mixed-Up Zombies the actress who was to play the "good girl" love interest got fired before filming any of her scenes, which should have saved the film from this. However, she was replaced by Sharon Walsh, an extra who HAD already shot some scenes, and can still be spotted as an anonymous dancer in a couple of musical numbers. One actress/two parts rather than two actresses/one part.
  • In Old Arizona started production with Raoul Walsh directing and starring as The Cisco Kid. During production, Walsh lost his right-eye when a Jackrabbit jumped through the windshield of his car, forcing Irving Cummings and Warner Baxter to step in as director and star, respectively.
  • The 1996 version of The Island of Doctor Moreau originally cast Val Kilmer as the protagonist Edward Douglas. Shortly after filming began, Kilmer asked director Richard Stanley for a reduced schedule, so he received the smaller role of Dr. Montgomery, while Rob Morrow was cast as Douglas. When the production went off the rails after four days, Stanley was dismissed, and Morrow exited right away. The role was finally played by David Thewlis.
  • Jane Got a Gun started production with Michael Fassbender as Dan Frost and Joel Edgerton as John Bishop. Before shooting started, Fassbender dropped out, leading to Edgerton taking his role and Jude Law stepping in as Bishop. Law left production with director Lynne Ramsay when the latter dropped out, so Bradley Cooper took over. And when Cooper left to shoot American Hustle, Ewan McGregor finally stepped in.
  • Joe Dirt's parents were originally played by Roseanne Barr and Gary Busey, but the director felt Roseanne's star power, in particular, was too distracting. So their scenes were reshot with Caroline Aaron and Fred Ward.
  • Billy Wilder Kiss Me, Stupid began filming with Peter Sellers in the key role of a struggling composer, but when Sellers suffered multiple heart attacks, the film was reshot with Ray Walston in the role.
  • The Last Run began production with Tina Aumont as the female lead, Claudie Scherrer. She did not get along with star George C. Scott and quit the production after numerous fights with him. Her replacement, Trish Van Devere, became Scott's fourth wife.
  • In Lawrence of Arabia Edmond O'Brien was originally cast as the journalist Bentley. He filmed at least two scenes before having a heart attack onset; David Lean replaced him with Arthur Kennedy. O'Brien is supposedly visible in long shot during the movie's Jerusalem scenes.
  • The Layover originally cast Lea Michele and Kate Upton as the leads, but not long into filming Michele was replaced with Alexandra Daddario.
  • In Life As A House, William Russ was cast as Officer Walker. He was eventually replaced by Scott Bakula. The DVD even features a scene including Russ.
  • Life of Pi originally featured Tobey Maguire as the Writer in the film's Framing Device. His scenes were reshot with Rafe Spall when director Ang Lee determined he was too well-known for such a small role.
  • Little Shop of Horrors featured Paul Dooley in the minor role of Patrick Martin. During the shooting of a Focus Group Ending before release, Jim Belushi replaced Dooley, who still received a "Special Thanks" credit. Dooley's performance eventually received a public release in the bonus features of the original Little Shop DVD. Years after that disc became recalled, the Director's Cut Blu-ray and DVD put Paul Dooley back into the movie, even swapping his and Jim Belushi's positions in the end credits.
  • Billy West, who played Elmer Fudd and the Peter Lorre Scientist in Looney Tunes: Back in Action, had recorded dialogue for Bugs Bunny, Tweety, and Marvin the Martian as well; for some reason, these roles were replaced by Joe Alaskey and Eric Goldberg. West was reportedly not pleased.
  • This happened in The Lord of the Rings when Stuart Townsend was playing Aragorn for two weeks before they replaced him with Viggo Mortensen. Word of God is that Peter Jackson decided Townsend was too young to play Aragorn, and he was replaced with Mortensen mere days before filming began.
  • In The Hobbit, Rob Kazinsky was originally cast as Fili, but shortly after filming began, had to drop out and was replaced by Dean O'Gorman. There are rumors that Kazinsky can be seen, at least from the back or side, in Bag End.
  • Nedra Volz replaced Edith Massey when the latter passed away during the filming of Lust in the Dust.
  • Manhattan Murder Mystery was to star Woody Allen's then-partner Mia Farrow, but their nasty break-up resulted in Diane Keaton replacing her.
  • During the filming of The Matrix Reloaded, Aaliyah died in a plane crash and was replaced by Nona Gaye, and all previously filmed scenes were subsequently reshot.
  • Men in Black II: Famke Janssen was originally cast as Serleena, and completed some scenes before dropping out due to a death in the family. The role of Serleena was subsequently recast with Lara Flynn Boyle.
  • Gabrielle Fitzpatrick was originally slated to play Dulcea in Mighty Morphin Power Rangers: The Movie. Because she had surgery around this time, Fitzpatrick was replaced by Mariska Hargitay. When filming ran long, Fitzpatrick was able to return for the role, but some scenes involving Dulcea training the Rangers couldn't be reshot and were cut entirely.
  • Gerard Butler was originally going to play the role of Lucas Harper in Mindhunters, but he dropped out to work on Timeline instead and Johnny Lee Miller was cast in his place.
  • Cameron Diaz was originally cast as Sonya Blade in Mortal Kombat, but broke her wrist during training and was replaced by Bridgette Wilson.
  • Move Over Darling, which started production under the title Something's Got to Give, had Marilyn Monroe and Dean Martin in the lead roles. Monroe's frequent absences forced Fox, already suffering from the Troubled Production of Cleopatra, to fire her early on. Dean Martin, a friend of Monroe's, objected to the decision and threatened to quit. Fox re-hired her, but production shut down after she died. The film was subsequently re-tooled into its current form, with Doris Day and James Garner in the lead roles.
  • In Muppet Classic Theater, near the end of the "Shoemaker and the Elves" segment, Rizzo comes to give advice to Kermit and Robin on how to thank the elves. In this brief scene Rizzo was voiced by David Goelz instead of Steve Whitmire, the reason being Whitmire was already puppeteering and voicing Kermit. Goelz puppeteered Rizzo instead and also performed the voice, and the editors simply forgot to replace Goelz's recording with Whitmire's.
  • Music of the Heart was due to star Madonna, who even took violin lessons for the role, but she left (reportedly over creative differences with director Wes Craven) and Meryl Streep stepped into the breach.
  • Colin Firth was cast as Paddington in Paddington but left when he and the producers mutually agreed his voice didn't fit the character. He was replaced by Ben Whishaw.
  • Nicole Kidman was initially due to star in Panic Room; Kidman was replaced by Jodie Foster when she hurt herself while filming Moulin Rouge!, but her voice can still be heard in the finished film.note 
  • Famously averted in Plan 9 from Outer Space. Ed Wood had filmed some scenes of Bela Lugosi before his death for another project, then after his death, cobbled together the unused footage into a role for that film, then filled in all the rest of the character's scenes with a different actor.note  They didn't even bother casting a stunt Lugosi that looked like him.note 
  • The title monster of Predator was originally conceived as a thin, agile creature and Jean-Claude Van Damme was cast in the role. Van Damme actually filmed footage with the Predator's invisibility effect, but found the suit unbearable to wear. Eventually, the producers decided the Predator needed to be a physical match for star Arnold Schwarzenegger and cast the enormous Kevin Peter Hall as the redesigned monster.
  • Michael Keaton was originally cast as Tom Baxter/Gil Shepherd in The Purple Rose of Cairo. Keaton was let go ten days later when Woody Allen felt that his performance was too contemporary for the period setting, and the dual role was recast with Jeff Daniels.
  • Zach Galifianakis was supposed to play Roy Pulsipher in R.I.P.D., until he was forced to withdrew due to scheduling conflicts and Jeff Bridges eventually took over the part.
  • Practically the entire cast of The Room (save for Tommy Wiseau himself) was swapped during the shoot: For instance, the actor who portrays the love interest, Lisa, was originally a stagehand. One of the more obvious instances is Pete, the psychiatrist character, whose actor quit before his scenes could be finished. Rather than get a new actor, Tommy Wiseau kept all the scenes that had been shot, and simply put another, never before seen character in the film's finale, where he catches Lisa and Mark together and berates them for betraying Johnny.
  • In Small Soldiers, the Commando Elite member Link Static was originally voiced by Richard Jaeckel. However, he died in the middle of production and was replaced by Bruce Dern.
  • Tyrone Power was cast as Solomon in Solomon and Sheba, but died after filming a few scenes. Yul Brynner stepped in to replace him. Power is still visible in some long shots.
  • Matt Bomer had been cast as Superman in Superman: Flyby, which was to be directed by Brett Ratner. The project failed to materialize and Superman Returns was made instead, with Brandon Routh cast in the part instead. Bomer did eventually voice Superman in the 2013 animated film Superman Unbound.
  • Kel O'Neill was originally cast as Eli Sunday in There Will Be Blood only to be replaced two weeks into the shoot with Paul Dano (who already played a bit part as Eli's brother Paul, thus turning them into twin brothers). An article on The New York Times Magazine claimed this was because O'Neill was intimidated by Daniel Day-Lewis' notorious intensity and tendency to remain in character off set though both Day-Lewis and the director denied this.
  • Ernest Thesiger was originally the Luddite leader Theotocopulos in Things to Come, but H. G. Wells found his performance unsatisfactory and had the scenes reshot with Cedric Hardwicke. Reportedly, Thesiger only learnt about this when he went to see the premiere.
  • Thomas and the Magic Railroad originally had John Bellis voicing Thomas and Michael Angelis (the UK narrator of the show) voicing Percy and James. Bellis was replaced with Eddie Glen and Angelis was replaced with Linda Ballantyne (as Percy) and Susan Roman (as James), as test audiences found that they sounded too old and their Liverpudlian accents too thick. On a lesser scale, Neil Crone, the voice of Diesel 10, originally delivered his lines in a Russian accent, only to have to re-record them without it.
  • James Arnold Taylor was cast as the titular villain in Transformers: Revenge of the Fallen and voiced him in the video game adaptation, but Michael Bay decided to go for Tony Todd for the film.
  • In The Truman Show, Dennis Hopper had been cast as Christof but left over creative differences with director Peter Weir; Hopper was replaced with Ed Harris, who scored an Oscar nomination.
  • James Purefoy was originally cast as V in V for Vendetta, and was replaced with Hugo Weaving. Since the character wears a mask throughout the entire film, the scenes that Purefoy had shot were not redone, and Weaving simply dubbed over the lines. And since the mask muffled the voice so much, all the lines had to be redubbed anyway. If you look closely, you can tell which scenes are Purefoy and which scenes are Weaving, due to the fact that Weaving is visibly taller and thinner than Purefoy.
  • The 1934 film Viva Villa! originally had Lee Tracy cast as journalist Jonny Sykes. While on location in Mexico City, Tracy caused an international incident by disrupting a parade. Tracy was promptly replaced by Stuart Erwin.
  • Who Framed Roger Rabbit:
    • The film has a visual example: originally Jessica Rabbit had a different design. It can still be seen in the patty cake photos when Eddie spots the will.
    • Paul Reubens voiced Roger Rabbit in the early test footage, opposite Peter Renaday and Russi Taylor as Eddie Valiant and Jessica Rabbit, respectively. The final film had Charles Fleischer, Bob Hoskins and Kathleen Turner in those roles.
  • In The Wizard of Oz:
    • Buddy Ebsen, Jed Clampett from The Beverly Hillbillies, was originally cast as the Scarecrow, then swapped parts with Ray Bolger for the Tin Man, Sadly, there was aluminum powder in his makeup and he grew very sick as a result of breathing it in. He was hospitalized two weeks into filming, and replaced by Jack Haley, whose makeup was made from aluminum paste. Haley completed the movie, and no footage of Ebsen as the Tin Man has been released, if it still exists; just photographs and some audio of Ebsen singing "If I Only Had a Heart". Ebsen can be heard, if not seen, in the finished film, when the four main characters sing "We're Off to See the Wizard" (the Tin Man's solo numbers were re-recorded by Haley).
    • The Wicked Witch of the West was originally supposed to have been played by Gale Sondergaard and the character was originally supposed to be a glamorous witch inspired by the wicked Queen in Snow White and the Seven Dwarfs. However, when producer Mervyn LeRoy decided that having an attractive Wicked Witch created a plot hole, as it played against the notion that only bad witches were ugly, the character was made into the familiar "ugly hag" and Sondergaard, looking hideous in the makeup, left the production and was replaced by Margaret Hamilton.
  • In You Only Live Twice, Czech actor Jan Werich was originally cast as Blofeld, but he fell ill during filming, thus being replaced by Donald Pleasence. Some accounts also state that the crew was unsatisfied with Werich's Santa Claus-esque appearance, and picked Pleasance because of his more intimidating looks.
  • In The Empire Strikes Back, Elaine Baker (wife of makeup designer Rick Baker) did makeup tests for the Emperor, but was replaced with Marjorie Eaton in the final film. This would be unremarkable except that a mix-up led to Elaine Baker being widely credited for the role (the actual film doesn't credit either of them), before things were finally cleared up by Pablo Hidalgo.
  • During the filming of Avengers: Infinity War, Aaron Lazar had to stand in for Benedict Cumberbatch as Doctor Strange, since the latter was busy with The Current War. After he was finished filming War, Cumberbatch returned to refilm the scenes where Strange had his face shown.
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