| Gene Kelly | Don Lockwood |
| Debbie Reynolds | Kathy Selden |
| Millard Mitchell | R.F. Simpson |
| Douglas Fowley | Roscoe Dexter |
| Dawn Addams | Lady-in-Waiting |
| Betty Allen | Girl Friend in "Beautiful Girl" Number |
| Marie Ardell | Dancer in "Beautiful Girl" Number |
| Jimmy Bates | Boy |
| Margaret Bert | Wardrobe Woman |
| Madge Blake | Dora Bailey |
| Gwen Carter | Girl Talking to Cosmo at Party |
| Mae Clarke | Hairdresser |
| Harry Cody | Undetermined Role |
| Pat Conway | Projectionist |
| Fred Datig Jr | .Movie Usher |
| Robert Dayo | Quartet Dancer and Singer |
| Kay Deslys | Undetermined Role |
| John Dodsworth | Baron de la Ma de la Toulon |
| Michael Dugan | Undetermined Role |
| Helen Eby-Rock | Undetermined Role |
| Richard Emory | Phil - Villain in Barroom Brawl |
| Charles Evans | Audience Member |
| Don Fields | Undetermined Role |
| Robert Foulk | Matt - Policeman |
| Lance Fuller | Undetermined Role |
| Glen Gallagher | Undetermined Role |
| Diane Garrett | Usherette |
| Shirley Glickman | Dancer in "Beautiful Girl" Number |
| A. Cameron Grant | Undetermined Role |
| Marion Gray | Undetermined Role |
| Betty Hannon | Dancer in "All I Do Is Dream of You" Number |
| Dean Henson | Undetermined Role |
| Stuart Holmes | J. Cumberland Spendrill III |
| Don Hulbert | Quartet Dancer and Singer |
| Pat Jackson | Dancer in "Beautiful Girl" and "All I Do Is Dream of You" Numbers |
| Morgan Jones | Undetermined Role |
| Jan Kayne | Usherette |
| Mike Lally | Man in Audience of 'Dancing Cavalier' |
| Joi Lansing | Beautiful Blonde |
| Virginia Lee | Undetermined Role |
| Peggy Leon | Undetermined Role |
| William Lester | Audience Member |
| Sylvia Lewis | Female Tango Dancer |
| Leon Lontoc | Filipino Butler |
| Dorothy McCarty | Girl Friend in "Beautiful Girl" Number |
| Johnny McGovern | Boy |
| Sheila Meyers | Dancer in "Beautiful Girl" Number |
| Gloria Moore | Undetermined Role |
| Forbes Murray | Undetermined Role |
| Anne Neyland | Dancer in "Beautiful Girl" Number |
| Dorothy Patrick | Usherette |
| 'Snub' Pollard | Old Man Getting Umbrella in "Singin' in the Rain" Number |
| Charles Regan | Saloon Keeper |
| Joanne Rio | Dancer in "Beautiful Girl" Number |
| Anthony Rocke | Man in Forecourt |
| Paul Salata | Undetermined Role |
| Russell Saunders | Fencer |
| Betty Scott | Dancer in "Beautiful Girl" Number |
| Elaine Stewart | Lady-in-Waiting |
| Brick Sullivan | Policeman in "Singin' in the Rain" Number |
| Julius Tannen | Man in Talking Pictures Demonstration |
| Jimmy Thompson | Male Lead in "Beautiful Girl" Number |
| Tommy Walker | Undetermined Role |
| Bobby Watson | Diction Coach |
| Wilson Wood | Rudy Vallee Impersonator |
| Norma Zimmer | Dancer in "Beautiful Girl" Number |
| Donald O'Connor | Cosmo Brown |
| Jean Hagen | Lina Lamont |
| Cyd Charisse | Dancer |
| Rita Moreno | Zelda Zanders |
| John Albright | Undetermined Role |
| Sue Allen | Girl Friend in "Beautiful Girl" Number |
| Bette Arlen | Undetermined Role |
| Marcella Becker | Dancer in "Beautiful Girl" Number |
| David Blair | Boy |
| Gail Bonney | Undetermined Role |
| Bill Chatham | Quartet Dancer and Singer |
| Lyle Clark | Undetermined Role |
| Chick Collins | Fencer |
| Jeanne Coyne | Dancer in "Beautiful Girl" and "All I Do Is Dream of You" Numbers |
| Bert Davidson | Sound Engineer |
| Patricia Denise | Dancer in "Beautiful Girl" and "All I Do Is Dream of You" Numbers |
| Gloria DeWerd | Dancer in "Beautiful Girl" Number |
| King Donovan | Rod |
| Phil Dunham | Undetermined Role |
| Marietta Elliott | Undetermined Role |
| Betty Erbes | Dancer in "Beautiful Girl" Number |
| Tommy Farrell | Sid Phillips |
| Ernie Flatt | Quartet Dancer and Singer |
| Dan Foster | Assistant Director |
| Kathleen Freeman | Phoebe Dinsmore |
| Jeanne Gail | Undetermined Role |
| Jon Gardner | Kid |
| Jack George | Orchestra Leader |
| Inez Gorman | Mrs. Simpson |
| Beatrice Gray | Undetermined Role |
| William Hamel | Undetermined Role |
| Timmy Hawkins | Boy |
| Jean Heremans | Fencer |
| Joyce Horne | Dancer in "Beautiful Girl" Number |
| Frank Hyers | Undetermined Role |
| Ivor James | Undetermined Role |
| David Kasday | Kid |
| Jimmy Kelly | Undetermined Role |
| Judy Landon | Olga Mara |
| Janet Lavis | Dancer in "Beautiful Girl" and "All I Do Is Dream of You" Numbers |
| William Leicester | Man in Black |
| Diki Lerner | Male Tango Dancer |
| Bill Lewin | Bert - Cowboy Knocked Out in Barroom Brawl |
| John Logan | Undetermined Role |
| Shirley Lopez | Dancer in "Beautiful Girl" Number |
| Paul Maxey | Dancing Fat Man at Party |
| Ann McCrea | Girl at Party |
| Joseph Mell | Projectionist |
| Carl Milletaire | Villain |
| Marilyn Moore | Usherette |
| Peggy Murray | Dancer in "Beautiful Girl" Number/Fainting Girl |
| Ruth Packard | Undetermined Role |
| Allen Pinson | Fencer |
| Angi O. Poulis | Fruit Peddler |
| Shirley Jean Rickert | Dancer |
| Joette Robinson | Dancer in "Beautiful Girl" Number |
| Dennis Ross | Cosmo as a Boy |
| Audrey Saunders | Dancer in "Beautiful Girl" Number |
| William Schallert | Messenger on Screen |
| David Sharpe | Fencer |
| Ben Strobach | Leading Man |
| Allen Sutherland | Don as a Boy |
| Harry Tenbrook | Sound Technician |
| Dee Turnell | Undetermined Role |
| Audrey Washburn | Undetermined Role |
| Robert Williams | Policeman |
| Adam York | Publicity Man |
