Gene Kelly (Don Lockwood)
Donald O'Connor (Cosmo Brown)
Debbie Reynolds (Kathy Selden)
Jean Hagen (Lina Lamont)
Millard Mitchell (R.F. Simpson)
Bobby Watson (Diction Coach)
Jimmy Thompson (Male Lead in "Beautiful Girls" Number)
Wilson Wood (Vallee Impersonator)
King Donovan (Rod)
William Lester
Dan Foster (Assistant Director)
Jack George (Orchestra Leader)
Don Hulbert
Morgan Jones
Dennis Ross (Don as a Boy)
Charles Evans
Lynn Bernay
Shirley Jean Rickert
Bill Lewin (Bert)
Elaine Stewart (Lady in Waiting)
David Sharpe
Margaret Bert (Wardrobe Woman)
Mae Clarke (Hairdresser)
Jeanne Coyne (Girl Dancer)
Patricia Denise
John Dodsworth (Baron de la May de la Toulon)
Richard Emory (Phil)
Kathleen Freeman (Phoebe Dinsmore)
Stuart Holmes (J.C. Spendrill III)
David Kasday (Kid)
Russell Saunders (Fencer)
Dorothy Patrick
Dawn Addams (Lady in Waiting)
Julius Tannen (Man on Screen)
Carl Milletaire (Villain)
Joi Lansing (Beautiful Blonde)
Judy Landon (Olga Mara)
Cyd Charisse (Dancer in the Fantasy Sequence)
Rita Moreno (Zelda Zanders)
Douglas Fowley (Roscoe Dexter)
Madge Blake (Dora Bailey)