Doesn't it sometimes seem like, when someone does ''Music/JesusChristSuperstar'', Judas is always black?

This may not technically be true--there may indeed be as many non-black actors cast in the role as black ones--the point is that the ''impression'' is there. Most people who know the show, or at least the Broadway production with Ben Vereen and film with Carl Anderson, when they think of the character, think of him as black. This phenomenon is also why most people who think of the musical ''Rent'' will imagine Mark with short blond hair and glasses. This can also refer to casting conventions, such as how certain shows are always subject to (sometimes ridiculous) DawsonCasting whereas others are less so.

Whether or not this refers only to things not listed in the script or things that ''may'' be listed in the script but are irrelevant to the characters and story is up for debate.

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!!Notable original cast precedents include:

* In ''IntoTheWoods'', the actor who plays Cinderella's Prince doubles as the Wolf, the the {{Narrator}} as the Mysterious Man, and Cinderella's Mother as Granny and the Giant. This is not a script-based necessity, merely a tradition established by the original Broadway production.
* Nathan Lane [[TropeCodifier codified]] the performance of [[Film/TheProducers Max Bialystock]], so much so that in a brief [[BreakingTheFourthWall Fourth Wall-breaking moment]] in "Betrayed," Max will pull out a ''Playbill'' and remark "He's good, but he's no Lane!".
* Inverted with ''{{Pippin}}''. The Leading Player was originally played on Broadway by Ben Vereen. However, there really is no typical image of the Leading Player, and 'he' is as often a 'she' as not, and of all different ethnicities, body types, and ages (as long as he/she is older than Pippin). Pretty much the only stereotype of this role is that it's hardly ever played by a white male.
** A straight example is that the original actor for ''Pippin'' had absolutely no luck with the costume department in regards to shoes. He could never find a pair of shoes that were comfortable, so one night, fed up, he decided to do the whole show barefoot. It wasn't easy. In his dressing room after the curtain call, Bob Fosse (the choreographer) came in. The actor prepared himself for a grovelling apology, but instead Fosse gushed, "I love it! Barefoot! Gives you that innocence." Since then, Pippin is ''always'' barefoot.
* In ''Theatre/SweeneyToddTheDemonBarberOfFleetStreet'', Mrs. Lovett is almost always cast a little on the plump side or blowsy, like Creator/AngelaLansbury as opposed to the equally (perhaps ''more'') likely possibility of her being thin and bony. Christine Baranski is one of the few skinny Mrs. Lovetts.
** There also seems to have been a shift based on the Revival's take on her. Angela Lansbury made her rather grandmotherly, but [=Patti LuPone's=] version is younger and more in the way of a PerkyGoth, a presentation which also applies to the film version (although most Tim Burton characters have LooksLikeCesare going on anyway).
* Utterson in ''Theatre/JekyllAndHyde'' tends to be played by a black actor, despite no particular reason for this.
* Higgins' songs in ''MyFairLady'' were meant to be sung, not spoken, but many portrayers follow the precedent of original non-singer Rex Harrison.
* Has there ever been a production of ''Theatre/{{Camelot}}'' with an Arthur who could sing? The original Arthur was Creator/RichardBurton, and Creator/RichardHarris played the role in the movie and later on stage. Indeed, it's a tradition for any big budget version of ''Camelot'' to have Arthur played by a respectable movie star with little or no singing experience (Burton, Harris, Laurence Harvey, Gabriel Byrne, Michael York) or someone who made their theatre career singing that way (Jeremy Irons). A rare exception was Robert Goulet -- the original Broadway cast's Lancelot -- playing Arthur in a touring production ca. 1998-1999.
* The role of PeterPan has almost always been [[CrosscastRole played by a woman]], as most men post-puberty would be unable to pull off the acrobatic choreography, while still having a childlike voice and frame.
** Similarly, the children's father and Captain Hook are generally played by the same person. (Though Barrie originally wanted ''Mrs.'' Darling to be the actress to play Captain Hook... make of that what you will.) Also, in TheMusical at least, the role of Eliza, the maid, is typically doubled with that of Tiger Lily.
* ''TheWiz'' (an adaptation of ''Literature/TheWonderfulWizardOfOz'') was originally staged with an all-black cast, and the movie version and many subsequent productions have followed suit. However, perhaps since race is not an in-story issue, it's not uncommon to see colorblind stagings, especially on the amateur level.
* Almost every play of ''Literature/AliceInWonderland'' seems to include an Alice who is blonde and blue-eyed, despite the fact that the real-life Alice Liddell was dark-haired. (The original book's illustrations depicted the character as blonde.)
** And for ''Alice In Wonderland'' in general, the main time when you ''do'' see a dark-haired Alice is when the story's been [[{{Grimmification}} Grimmified]]. (Though this isn't done in ''every'' dark retelling. Just a lot of them.) Perhaps this is because it makes her look more like a goth.
* Revivals of ''The Cradle Will Rock'' often do without costumes, scenery or orchestra; the original production (which was directed by OrsonWelles, by the way) did this out of necessity when the actors were locked out of the theatre it was supposed to open in.
* The voice of the ManEatingPlant in ''Theatre/LittleShopOfHorrors'' is usually that of a black singer, though his (real) face is unseen -- or rather, is seen only as that of a Skid Row bum, which he doubles as by precedent.
** Audrey is nearly always blonde, or given a blonde wig.
* Zero Mostel had a huge influence on future portrayals of the characters he played. Most notably Tevye from ''Theatre/FiddlerOnTheRoof''--a dirt poor Russian Jew shouldn't logically be a very fat man.
* ''GuysAndDolls''--Sky Masterson is the traditional romantic lead while Nathan Detroit is the more comic role. Though Nathan Detroit was originally played by the tone-deaf Sam Levene, thanks to FrankSinatra's portrayal in the movie, Nathan Detroit is often played by the better singer.
** Nicely-Nicely Johnson tends to be heavyset, thanks to Stubby Kaye in the film version.
* Broken with the Red Bird in Creator/CirqueDuSoleil's ''Theatre/{{Mystere}}'' -- it was always a male role until the artistic directors of the show realized a certain female member of the company was better suited to the character's personality. It required a new costume design, since the original was designed as a WalkingShirtlessScene, but worked out so well that the role can now be filled with a performer of either gender.
* In ''Theatre/ThePhantomOfTheOpera'' Christine is almost always a brunette. It should be noted that RUG tends to keep a very close rein on character designs in their productions. There ''is'' however a production of note where Christine is blonde.
** In 2014 Emmi Christensson became the first Christine to have a blonde wig in the West End. All other blonde Christines in ALW's Phantom have been in non-replica productions.
** In casting the managers, Firmin is almost invariably older and more heavyset than Andre.
* Everyone remembers Joanne of ''{{Rent}}'' as black, because she was in the original Broadway cast. When the time came for the film, Fredi Walker, who felt herself too old to play a lawyer just out of law school, made one request - that Joanne remain black - and so Tracie Thoms got the role.
** In fact, most of the characters in ''{{Rent}}'' appear to be closely associated with the original performers. Roger tends to be a blonde, Maureen almost always appears with curly brown hair, the ethnicities of all characters tend to stay pretty much the same and, of course, the before-mentioned blond, bespectacled Mark (especially strange given that he's Jewish). This was probably exacerbated by the film version casting the majority of the original cast.
*** Averted by the 2007 Australian production, which cast the Italian Anthony Callea as Mark.
*** And averted in the Broadway production when they did some StuntCasting with Joey Fatone of *Music/{{NSYNC}} as Mark- he kept his natural black hair.
** The only notable aversion to this in ''Rent'' is Angel. the role was originated by Wilson Jermaine Heredia, who's Dominican; later Angels have included Jose Llana (Filipino) and Telly Leung (Chinese), and the original understudy, Darius De Haas, is black.
** The recent 20th Anniversary UK Concert Touring production saw some backlash when Kerry Ellis, a white English actress, was cast as Mimi, a Hispanic character.
* All of this aside, there's also the matter of voices (inflections, center of tone, and general voice qualities). For example, although Ko-Ko in ''TheMikado'' is generally kind (and debatedly ''TheWoobie'') due to the casting of a certain John Reed, almost every portrayal you see has the same character voice. Which wrecks havok on those preparing to audition for the part, who have to choose whether to read the part in their own voice or the precedented one. Similarly, actors have imitated Victor Moore's character voice as Throttlebottom in ''OfTheeISing'' and Moonface in ''Theatre/AnythingGoes''.
* ''Film/{{Hairspray}}'' had Divine playing Tracy's mom Edna, and the stage shows and later movie continue the man-as-woman tradition.
** Tracy Turnblad is always played by a newcomer.
* In ''Theatre/LesMiserables'', the majority of Eponines have had dark hair, despite the fact that [[Literature/LesMiserables the novel]] describes her as a blonde[[note]]Although Hugo himself was not very consistent on Eponine's hair color, having described her as having "chestnut" colored hair initially before later referring to her as blonde[[/note]]. This is probably set by original Eponine, Frances Ruffelle and reinforced by notable 10th Anniversary Concert Cast Eponine, Lea Salonga, and 25th Anniversary, Samantha Barks. In fact, Megan Lawrence, a blonde Eponine on Broadway, commented once to an interviewer that she never thought she'd get to play Eponine ''because'' she was a blonde.
** Another Les Miserables example is that Cosette, a brunette in the book, always is given a brown wig, regardless of the hair colour of the actress. Katie Hall is a notable aversion. She played Cosette in the 25th Anniversary Concert. However, she too wore a dark wig when she played the role at the Queen's Theatre.
** [[DoubleSubversion Double subverted]] with Thénardier. Alun Armstrong debuted the role in London with a cockney accent, and this has been the standard ever since. However, the more famous recording is the Original Broadway Cast version, which has Leo Burmester perform the role in his American accent, while attempting an upper-class British accent in front of his guests at the inn. The film has Sacha Baron Cohen drawing from elements of both, with cockney being his default, and putting on a French accent in front of the guests.
* Helene in ''Theatre/SweetCharity'' is traditionally played by a black actress, like Thelma Oliver in the original Broadway cast and Paula Kelly in the 1969 film. (Though, in an aversion, Charity herself was played by a black actress, Debbie Allen, in the 1986 Broadway revival.)
* In productions of the ''[[Film/TheRockyHorrorPictureShow The Rocky Horror Show]]'', Eddie and Dr Scott are frequently played by the same actor. The [[Film/TheRockyHorrorPictureShow film]], which casts two different actors in the roles, is a rare aversion of this. Likewise, the Usherette who sings "Science Fiction Double Feature" is often played by the actress who portrays Magenta or Colombia.
* In ''[[Theatre/DerRingDesNibelungen Das Rheingold]]'', at the point where Wagner's text merely reads "as if seized by a great thought," Wotan usually holds up a sword left over from Fafner's hoard and points it towards the castle, in accordance with the "sword" {{Leitmotif}} which makes its first appearance here. This practice was approved by Wagner for the inaugural Bayreuth production of 1876 (though ''Das Rheingold'' had its premiere seven years earlier).
* Bram Stoker never describes {{Dracula}} as wearing a cape. The image came from an early stage production, which included the cape to facilitate the special effects - the actor playing Dracula would close the cape around him when he was disappearing into a hidden trapdoor, making it look like he had vanished into thin air. It got carried over into the film, and since then, the cape has become associated not only with Dracula, but with vampires in general.
* Emile de Becque from ''Theatre/SouthPacific'' is almost always played by an Italian operatic baritone; for instance, Ezio Pinza, Rossano Brazzi, and Paulo Szot. Brazzi, although [[NonSingingVoice dubbed]] by Georgio Tozzi (operatic tenor!), still checked off 'Italian'. Which is interesting, as de Becque is ostensibly ''French''.
* The Teen Angel and Johnny Casino in ''{{Grease}}'' are usually played by the same actor, as Alan Paul played both in the original Broadway production . Exceptions to the rule include Johnny Casino being written out of some stagings, so that the actor for Vince Fontaine will instead double the part for the Teen Angel.
** Danny is almost always a brunet, as are the rest of the Burger Palace Boys. However, sometimes a blond will be cast in one of the roles, or sometimes one character will receive a RaceLift (as with one actor for Doody in the '94 Broadway revival).
** Rizzo is generally black-haired, while Frenchy is almost always a redhead, Marty is a blonde, and Jan has brown hair. The '94 production averted this at first, by having Megan Mullally play a brunette Marty and Jessica Stone play Frenchy as a blonde.
** Sandy herself is near-always played by a blonde actress, or the actress will be given a blonde wig. This in part was due to the popularity of Olivia Newton John's portrayal in the film adapation, although the real-life inspiration for Sandy's character was also a blonde. Although in both the '72 and 2007 Broadway productions, the initial actresses for Sandy were allowed to keep their dark hair.
* Both Joel Grey and Alan Cumming made such indelible impressions as the Emcee in ''{{Theatre/Cabaret}}'' that most versions of the character are likely to recall one or the other.
* Though Benjamin Britten's ''War Requiem'' is a non-theatrical choral work, performances of it tend to involve a Russian soprano, a British tenor and a German baritone, despite there being nothing in the texts implicating those specific nationalities. This tradition, of course, was started with the original 1962 performance and recording under the composer (even though Galina Vishnevskaya couldn't make the premiere and had to be replaced with Heather Harper).
* This trope was parodied in a ''Series/SaturdayNightLive'' sketch in which critics lambaste the lead actor in ''Theatre/TheKingAndI'' for not being bald, like Yul Brynner, while the actor demands that critics point to the part in the script where it says that the King is bald.
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