Courtney's voice actor did Sailor Venus' voice in the Cloverway dub of Sailor Moon. Also, Courtney was Sailor Mars in the lost episodes of DiC's R Season. As well as most of the voice actors who worked on 6teen.
Leshawna and Sierra's VA's were the main characters on Jackie and Inez, particularly noteworthy is Sierra was her polar opposite a logical, intelligent nerd.
In the original, Anne-Maria was Chris, Topher was the Beak, and Jerd is George Dawson.
For the cable redub: Tyler reprised Tommy Ross from the 2002 remake, Courtney is Sue, Eva is Mrs. Snell, Sugar is Helen Shyres, Leonard is the Beak, Harold is George Dawson, Mike is Freddy de Lois, Gwen is Margaret, Amy and Samey are Chris Hargensen and Duncan is Ernest.
In the 2002 remake: Tyler is Tommy, while Amy/Samey reprises Chris, Bridgette is Sue, Eva (unlike Hungary) is Miss Desjardin, Blaineley is Tina, Scarlett is Norma Watson, Trent is Jackie Talbot, Jerd is Kenny Garson, and Owen is Mr. Schernhorst.
For the 2013 remake, besides Izzy being Chris: Eva is now Margaret, Lightning is Billy, All Stars!Lindsay is now Sue Snell, Bridgette is instead Tina, Zoey is Nicki, Cody is Freddy Holt, Heather's Mom is Miss Desjardin.
Total Drama is such an amazing world, as: Duncan is Richard Watterson; Geoff is Banana Joe; and Heather and her mother are, respectively, Carrie and Nicole Watterson.
Things get gleeful for Total Drama as of season 3, as Duncan is Will Schuester; Blaineley is Quinn Fabray; Cody is Mike Chang; Heather is Emma Pillsbury; Sierra is Becky Jackson; Leshawna is Brittany Pierce; Lightning (or Trent for one episode) is Noah "Puck" Puckerman; Beardo is Ryder Lynn; Amy/Samey is Rachel Berry; Eva and Gwen's Mother are both Olivia Newton John and Shannon Beiste; Trent is most often Blaine Anderson; Mike is Dave Karofsky and Jake Puckerman; Max was the first Dave Karofsky; Tyler came along as Bryan Ryan (like in Italy); Sky is Penny Owen; Scott is Jesse St. James (fittingly); Harold is Jacob Ben Israel; Beth is Harmony Destiny; Heather's Mom is Cassandra July; Izzy is Marley; and Cameron is Unique.
Knocked Up: Heather's mom is Alison Scott; Samey/Amy is Debbie; Max is Peter; Jasmine is Jodi; Leonard is Jay; Noah is Martin; Trent is Samuel; Owen is Ryan Seacrest and one of the doctors; Lindsay and Courtney are Alison's (Samey/Amy) friends; Lindsay is Eva Mendes; Justin is Steve Carell; and Geoff is James Franco. As a bonus, Courtney also makes a cameo as Denise Richards in "Wild Things".
This is 40: Samey/Amy, Max, Jodi are back as Debbie, Peter, and Jodi respectively. Anne Maria is Desi; Sugar is Catherine; Cameron is Joseph; and Harold is Billy Joe Armstrong.
The Lego Movie: Lightning (Trent in one episode) is Emmet; Trent, in turn, is the Green Lantern (again); Amy and Samey are Wonder Woman; Heather's Mom is Wyldstyle; Justin is once again Batman; and Anne Maria is Unikitty.
Total Drama has had a big history with The Simpsons, as Harold is the longtime Bart Simpson; Heather's mom (later Blaineley) is Lisa Simpson; and Owen (now Trent) is Chief Wiggum.
At some point: Eva/Gwen's Mom was Selma and Patty Bouvier; Chris was Ned Flanders, Groundskeeper Willie (alongside Noah), Principal Skinner, Otto Mann, Professor Fink, Joe Quimby, Krusty the Klown, and Lenny; Owen has been Carl; Duncan and DJ were Apu; Noah and Trent have been Sideshow Bob; Trent has been Duffman; Sadie/Ella has been Helen Lovejoy; and Leshawna was Ms. Hoover. However, Ezekiel was never Ralph Wiggum nor Martin Prince. Someone is trying to find when each actor had the roles.
Half the cast has worked on League of Legends: Sadie is Akali, Orianna and Sona; Brick is Alistar, Rammus and Talon; Leonard is Amumu; Sugar is Ashe; Tyler is Brolaf; Rodney is Dr. Mundo; Sierra is Evelynn, Kennen and Pearl; Heather is Fiora, Harold is Fizz, Izzy is Irelia, Katie is Janna, Lindsay is Katarina, Eva is Kayle, Zoey is LeBlanc and Tristana, Anne Maria is Morgana and Poppy, LeShawna is Nidalee, Lightning is Rumble, Noah is Shen, Staci is Shyvana, Duncan is Taric, and Chef Hatchet is Trundle.
What about Diablo III? Duncan and Izzy are the player Wizards, Heather is Leah, her mother is the female monk, Bridgette is Eirena, Chris McLean is Kormac, Chef Hatchet is Haedrig Eamon, and Tyler is King Leoric.
The Hunger Games: Izzy is Katniss Everdeen, Leshawna is Ms. Everdeen, Alejandro is Gale Hawthorne, Justin is Cinna, Trent is Claudius Templesmith, Katie is Clove, Harold is Marvel, D.J. is Thresh, Tyler is Gloss, Heather's mother is Cashmere and Beth is Johanna Mason.
Open your mind up to Ben10. Cody is Ben Tennyson; Bridgette is Gwen; Duncan was (at one point) Cash Murray and Synaptax; Mike is J.T.; Noah is Carl Tennyson; and Staci is Sheila.
Ben 10: Alien Force: Duncan is now Kevin Levin; Heather's mother appears thrice as Helen Wheels, Tini and Elena Validus; Justin is Manny Armstrong; Leshawna is Myaxx; and Tyler is Chromastone.
In Avatar: Heather's mother is Neytiri; Noah is Norm Spellman; Trent is Max Patel; and Beth is Trudy Chacon. Eva, Duncan, Courtney, Tyler, DJ, Alejandro, Leshawna, and Lindsay are also there.
How many Digimon veterans can be totally dramatic? Digimon Adventure: Leonard is Tai, Topher is Agumon, Dave is Gomamon, Harold is Izzy, Geoff is Tentomon, Scarlett is Palmon, Sky is Mimi, but Ezekiel isn't TK.
Geoff is Harry Osborn; Heather cameoed as a girl in the bus; Lindsay was a punk rock girl; and Trent was a policeman. In the sequel, Heather's mother was Ursula; Duncan was a doctor; and Tyler made an appearance in an elevator. In the final chapter to the original film, Trent returned as Venom/Eddie Brock; and Leshawna was Emma Marko.
In the 2012 reboot, Owen's dad is Uncle Ben; Izzy is Gwen Stacy; Duncan returns as Rajit Ratha; Alejandro is Flash Thompson; Courtney is Mrs. Ritter; Harold is Rodrigo Guevara; and Justin made his appearance as a car thief.
Rise of Electro: Justin is promoted to Electro, while Mike joins the cast as the Green Goblin.
France has picked tremendous choices for the European dubbing of "Total Drama" (Defis Extremes):
Kick Buttowski: Justin, Harold, Cameron, Alejandro, Bridgette, Gwen, and Sadie are Kick, Gunther, Brad, Ronaldo, Brianna, Mrs. Flipspatrick, and Kendall, respectively.
France reunites the cast of My Little Pony: Friendship Is Magic, as Bridgette, Sadie, Heather, Cameron, Alejandro, Staci, Sierra, and Izzy are Rainbow Dash, Fluttershy, Spike, Snips, Snails, Scootaloo, Diamond Tiara (but not Sweetie Belle), and Daring Do, respectively. Also, Shining Armor isn't Cody or Ezekiel.
American Dad!: Lindsay and Noah are Hayley and Jeff Fischer. Lightning is Greg Corbin, and Chef is Agent Jackson.
Family Guy: Chef Hatchet is Cleveland Brown, Mike is Quagmire and Harold is Neil and Mort Goldman. Bridgette is not Loretta Brown.
The Cleveland Show: Chef reprises his role as Cleveland. There, he and his son Duncan move out of Quahog, and marries his High School friend Gwen. Mike is Holt Richter, but Cody isn't Ernie Krinkelsac.
Noah is Johnny Test. Katie is Susan, and Izzy is Mary. Sam and Lightning are both Hank Anchorman, and Dakota is Sissy. Cody is not Gil.
It's heaven for Madagascar: Mike leads the pack as Dr. Blowhole and Melman, Geoff is Roger, Harold is Marty, and Ezekiel was Rico. If you were expecting Tyler, he isn't Private; he's simply an additional voice in Penguins.
Hey Arnold!: Harold is the title character, Noah is Stinky, Katie is Phoebe, Izzy (movie) is Rhonda, while Lindsay (TV) and Blaineley (movie) are Helga. Although Cody is not Gerald, he, Sam, and Mike did appear in a few episodes.
This gets very, very interesting: For Full Metal Panic!, Brick, Noah, Katie, Dakota, Duncan, and Sam are Shota, Sousuke, Kaname, Tessa, Kurz Weber, and Gauron, respectively. Harold translated the series into Hungarian.
Everyone from Pokémon is in the place. Harold was Brock in 4Ever, Noah is Tracey and the new James, Jo (or the first Eva) was Nurse Joy, Izzy is Domino, Heather (but not Eva) is Misty, Scarlett is Dawn, Max is now Meowth, Katie was Misty in 4Ever (plus Molly Hale and Dawn's mom), Dakota had been Giselle, and Lindsay signed up as Melody. Cody wasn't Meowth in the 3rd movie, nor was he Koga.
The cast of Digimon Adventure is reunited: Ezekiel used to be Tai, Max is Joe, Bridgette is Sora, Trent is Agumon, Cameron (later Cody) is Matt, Noah is Gabumon, and Harold is Izzy. Tyler is not Ogremon.
In The Movie, Harold was still Izzy, and Cody was still Matt. Izzy and Mike have bit parts.
In Digimon Frontier, either Owen or Tyler (world tour) joined the journey as Koichi Kimura, Beth (Action) is Patamon, and Mike is Lucemon.
In Digimon Tamers, Eva is now Rika, Sam is Yamaki, Max (later Harold) is Henry, Duncan (later Mike) is Renamon, Cameron used to be Kenta, and Trent is Impmon.
For My Little Pony: Friendship Is Magic: Courtney is Applejack; Harold is Snips; Noah is Shining Armor and Flash Sentry; Sierra (later Katie) is Rarity; Katie is also Sunset Shimmer, Diamond Tiara and Trixie; Duncan is Prince Blueblood; and Bridgette is Nightmare Moon/Princess Luna. Cody is not Spike. Although Izzy was Applejack in the demo, she was never Fluttershy.
Sailor Moon: Island!Sadie is Mercury, Max is Pegasus, Lindsay is Sailor Mars, Blaineley is Sailor Venus, Katie is Chibiusa, and Cody/Shawn is Sammy (but not Amara, Andrew/Motoki, Zoisite, or Jadeite). Sierra isn't Sailor Jupiter. Come The Movie, only Lindsay survived as Mars, then Katie took over as Venus.
Down by Heroes: Katie is Claire Bennet, Ezekiel is now Mohinder Suresh, Leshawna is Simone Deveaux, Dakota is Elle Bishop, Courtney is Candice Wilmer, Harold is Zach, and Anne Maria is Caitlin. Cody isn't Peter.
In Ray: Courtney is Mary Ann Fisher; Sierra is Aretha Robinson; Harold is Quincy Jones; Mike is Milt Shaw; Lindsay is Pat Lyle; and Bridgette is Ethel McRae (but not Mercedes). Tyler is not Ahmet Ertegun.
The Slayers: Cameron, Izzy, Lightning, Trent, Anne Maria, Dakota, and Duncan are Gourry, Amelia, Rezo, Vrumugun, Martina, Filia, and Sirius, respectively.
Avatar: The Last Airbender: Dakota is Katara; Courtney is Azula; Harold (later Cameron) is Jet; Rodney is Fire Lord Ozai; Blaineley is Ty Lee; Ezekiel used to be Bato; Mike is Kuei (the Earth king); and Chef Hatchet is Zhao.
In the sequel The Legend of Korra: Noah is Bolin, World Tour!Ezekiel is Tarrlok; and Katie is Ikki. Cody is not Aang in the flashbacks.
The Swan Princess: Chef Hatchet has been Lord Rogers; World Tour!Tyler (later Trent) is Bromley; and Lightning ended up as Prince Derek. Cody couldn't be Puffin, nor is Zoey Odette in the third movie. note These dubbers only appeared in the sequels.
Christmas: Lightning steps down to be Jean-Bob, Chef Hatchet is Speed, Mike is Hans, Trent's Bromley again, and Noah is Novem.
South Park is totally dramatic: Noah is Kenny, Max is Randy Marsh, Harold is Ike and Pip, Ezekiel used to be Butters, Katie is Henrietta, Brick is Jimmy, Dakota is Wendy, and Staci was Miss Stevens. Cody is not Clyde Donovan, Starvin' Marvin, or Dougie.
(1976; redub from the late 1990's): Dakota was most likely one of the female students.
(2002): In the first dub so far, Katie is Carrie; and Eva's current voice is one of the female students. In the redub, Katie took over as Norma Watson. In turn, Heather (but not Eva) was Miss Desjardin, Anne Maria/Sugar was Tina Blake, Noah was Kenny Garson, and Chef Hatchet was Mr. Morton.
(2013): Anne Maria/Sugar takes over as Sue Snell, Bridgette is Miss Desjardin, Izzy (like in Brazil) is Chris Hargensen, Dave is Tommy Ross, and Courtney is Eleanor Snell.
Total Drama holds a partial reunion for the Glee cast: Bridgette is Emma Pillsbury; Scott is Finn Hudson; Zoey is Rachel Berry; Lindsay is Mercedes Jones (later Quinn Fabray); Noah is Puck (whose real name is also Noah); Tyler is Bryan Ryan; Sadie is Tina; Lightning is Jake; Mike is Dave Karofsky; Rodney is Sam Evans; and Leonard is Unique.
Latin American Spanish
In Venezuela, the fun gets started with their casting:
Total Drama holds a partial reunion for Spongebob Squarepants, as Mike and Alejandro took turns singing as Spongebob in the later seasons; Leshawna would be Sandy Cheeks; Chef's first voice was Mr. Krabs; Cameron and Josh (later Lightning) are Plankton; they (later Ezekiel, Chris, and finally Chef) are also Larry the Lobster; Izzy (later Heather/Staci) is Pearl Krabs; Geoff is Mermaid Man's first voice; Owen's first voice was Barnacle Boy; Anne Maria (later Heather, sometimes Bridgette, and then Gwen) is Karen the Computer; Chris (later Harold, temporarily Noah) is the reporter; Eva is Mama Krabs; Geoff now reads the text.
Come The Movie, Katie/Blaineley is Princess Mindy; Geoff is the French narrator, as well as a pirate in Patchy's entourage of pirates.
note Even though it was rumored that Trent/Sam would be Plankton in the future seasons, it was Lightning who actually took Trent's role.
Camp Lakebottom revealed their Latin American cast: Shawn is McGee (he also translates/reads the texts); Lightning is Squirt; Leshawna is Gretchen; Heather/Staci is Suzi; Trent/Sam is Jordan Buttsquat; Brick is Sawyer; and Eva is Rosebud.
In the international markets, outside of the US and Canada, most of the contestants appeared on Phineas and Ferb.
In Brazil, Cody is Jeremy, Staci is Vivian, Eva is Charlene, Scott is Albert, Geoff is Norm, Gwen's brother is Baljeet, Harold is Monty, Katie is Vanessa, Heather sings as Candace, Duncan is Meep/Bobbi Fabulous, Amy/Samey is Lyla Lolliberry, Shawn is Carl, Beardo is Rodrigo, Max is Don the tour guide, Trent is Danny/Mr. McGillicuddy, and Sierra is Amanda Johnson (but not Candace).
In Hungary, Beth is now Candace, Lindsay is Stacy Hirano, Sam's Lawrence, Lightning is Buford, Ezekiel is Albert, Mike (later Cameron) is Irving, Sadie's first voice was Vanessa Doofenshmirtz, Chris McLean is Carl Karl.
In Italy, Katie is Candace, Cameron is now Ferb, Buford is Mike, and Irving is now Ezekiel.
In Poland, everyone is Playing Against Type as Anne Maria/Samey (good) is Candace (bad), Lindsay (good) is Suzy (bad), Sugar (bad) is Vanessa (good), and Scott/Max (bad) is Carl Karl (good). However... Justin is Albert, Amy is also Candace, and Jasmine is Linda.
In Portugal, Candace is one of the female contestants.
In Sweden, Heather is Candace, and Izzy is Vanessa.
Also from : Dawn is Twilight Sparkle, Heather and Zoey's first voice are Fluttershy, Apple Bloom and Pipsqueak, Izzy and Anne Maria are Princess Luna and Season 3!Applejack (matching both Anne Maria's Polish self, and Izzy's original Hungarian), Jo is Spike, Beth, Katie and Dakota are Season 1!Sweetie Belle and Princess Cadance (matching Katie's Polish), Lindsay, Staci and Zoey's second voice are Diamond Tiara and Season 2!Sweetie Belle.
Taiwan: Chris is Patrick Star; Chef, Cody, Geoff, and Harold are all Bolin (matching Cody's Brazilian); Bridgette, Izzy, and Katie are Haruhi Suzumiya; Courtney, Sadie and Leshawna are all Mimi; DJ, Noah, and Trent are Sonic; Duncan, Ezekiel, and Tyler are Private; Eva, Gwen, and Lindsay are Mandy (unlike English for Gwen); while Justin and Owen are Ben Tennyson. Beth and Heather's dubber is an amateur.
Playing Against Type
There are many times that the contestants' voice actor played another character, who was against their type.
In Atomic Betty, Cody was a bully named, humorously, Duncan.
In Sailor Moon, bossy girl Courtney was kind-hearted Sailor Venus.