Gene Kelly (Gabey), Frank Sinatra (Chip), Betty Garrett (Brunhilde Esterhazy), Ann Miller (Claire Huddesen), Jules Munshin (Ozzie), Vera-Ellen (Ivy Smith), Florence Bates (Madame Dilyovska) more..., Alice Pearce (Lucy Schmeeler), George Meader (Professor), Murray Alper (Cab Company Owner (uncredited)), Bette Arlen ("Day in New York" Ballet Dancer (uncredited)), Anne Beck (Nightclub Patron (uncredited)), Bea Benaderet (Brooklyn Girl on Subway (uncredited)), Gladys Blake (Brooklyn Girl on Subway (uncredited)), Eugene Borden (Waiter (uncredited)), Leonard Bremen (Spectator (uncredited)), Don Brodie (Photo Layout Man (uncredited)), Ralph Brooks (Nightclub Patron (uncredited)), Claire Carleton (Nightclub Patron (uncredited)), Peter Chong (Bartender (uncredited)), Dorinda Clifton ("Day in New York" Ballet Dancer (uncredited)), Hans Conried (Francois (uncredited)), Jeanne Coyne ("Day in New York" Ballet Dancer (uncredited)), Lester Dorr (Subway Passenger (uncredited)), Tom Dugan (Officer Tracy (uncredited)), Helen Eby-Rock (Little Girl's Mother (uncredited)), Luigi Faccuito ("Day in New York" Ballet Dancer (uncredited)), Clair Freeman (Dancer (uncredited)), Alex Goudovitch (Miss Turnstiles Dancer (uncredited)), Frank Hagney (Policeman (uncredited)), Robert Haines (Nightclub Patron (uncredited)), Carol Haney ("Day in New York" Ballet Dancer (uncredited)), Timmy Hawkins (Boy in Subway (uncredited)), Bern Hoffman (Shipyard Singer (uncredited)), Judy Holliday (Daisy (voice) (uncredited)), Curtis Loys Jackson Jr. (Boy in Subway (uncredited)), Richard Kean (Poet Type (uncredited)), Milton Kibbee (Sign Poster (uncredited)), Jack G. Lee (Speed Cop (uncredited)), Hank Mann (Max the Photographer (uncredited)) and others.

Arthur Freed (Producer), Roger Edens (Associate Producer), Harold Rosson (Director of Photography), Ralph E. Winters (Editor), Cedric Gibbons (Art Direction), Jack Martin Smith (Art Direction), Edwin B. Willis (Set Decoration) more..., Jack Dawn (Makeup Artist), Sydney Guilaroff (Hairstylist), Helen Rose (Costume Design), Douglas Shearer (Sound Director), Adolph Green (Screenplay), Adolph Green (Musical), Betty Comden (Screenplay), Betty Comden (Musical), Jerome Robbins (Idea), Jack Gertsman (Assistant Director), Leonard Bernstein (Music), Adolph Green (Lyricist), Roger Edens (Original Music Composer), Warren Newcombe (Special Effects), Douglas Shearer (Recording Supervision), Saul Chaplin (Music Arranger), Lennie Hayton (Original Music Composer), Lennie Hayton (Music Director), Betty Comden (Lyricist), Conrad Salinger (Orchestrator), Jack D. Moore (Assistant Set Decoration), Henri Jaffa (Other), Leonard Bernstein (Songs),