Gene Kelly as Gabey

Frank Sinatra as Chip

Betty Garrett as Brunhilde Esterhazy

Ann Miller as Claire Huddesen

Jules Munshin as Ozzie

Vera-Ellen as Ivy Smith

Florence Bates as Madame Dilyovska

Alice Pearce as Lucy Schmeeler

George Meader as Professor

Murray Alper as Cab Company Owner (uncredited)

Bette Arlen as "Day in New York" Ballet Dancer (uncredited)

Anne Beck as Nightclub Patron (uncredited)

Bea Benaderet as Brooklyn Girl on Subway (uncredited)

Gladys Blake as Brooklyn Girl on Subway (uncredited)

Eugene Borden as Waiter (uncredited)

Leonard Bremen as Spectator (uncredited)

Don Brodie as Photo Layout Man (uncredited)

Ralph Brooks as Nightclub Patron (uncredited)

Claire Carleton as Nightclub Patron (uncredited)

Peter Chong as Bartender (uncredited)

Dorinda Clifton as "Day in New York" Ballet Dancer (uncredited)

Hans Conried as Francois (uncredited)

Jeanne Coyne as "Day in New York" Ballet Dancer (uncredited)

Lester Dorr as Subway Passenger (uncredited)

Tom Dugan as Officer Tracy (uncredited)

Helen Eby-Rock as Little Girl's Mother (uncredited)

Clair Freeman as Dancer (uncredited)

Alex Goudovitch as Miss Turnstiles Dancer (uncredited)

Frank Hagney as Policeman (uncredited)

Robert Haines as Nightclub Patron (uncredited)

Carol Haney as "Day in New York" Ballet Dancer (uncredited)

Timmy Hawkins as Boy in Subway (uncredited)

Bern Hoffman as Shipyard Singer (uncredited)

Judy Holliday as Daisy (voice) (uncredited)

Curtis Loys Jackson Jr. as Boy in Subway (uncredited)

Richard Kean as Poet Type (uncredited)

Milton Kibbee as Sign Poster (uncredited)

Jack G. Lee as Speed Cop (uncredited)

Hank Mann as Max the Photographer (uncredited)

Gloria Marlen as "Day in New York" Ballet Dancer (uncredited)

John Marlin as Waiter (uncredited)

Bert May as Miss Turnstiles Dancer (uncredited)

Helen McAllister as Kooch Girl (uncredited)

Sid Melton as Spud (uncredited)

Diane Nance as Little Girl (uncredited)

Kerry O'Day as Nightclub Patron (uncredited)

Norman Ollestad as Boy in Subway (uncredited)

William Phillips as Sailor Simkins (uncredited)

Paul Power as Nightclub Patron (uncredited)

Edwin Rochelle as Waiter (uncredited)

Alex Romero as "Day in New York" Ballet Dancer (uncredited)

Reiko Sato as Dancer (uncredited)

Frank J. Scannell as Officer Mulrooney (uncredited)

Lee Scott as "Day in New York" Ballet Dancer (uncredited)

Jack Shea as Tough Marine in Subway (uncredited)

Robert Smith as Spectator (uncredited)

Robert R. Stephenson as Man in Subway Station (uncredited)

Dorothy Tuttle as Dancer (uncredited)

Tyra Vaughn as "Day in New York" Ballet Dancer (uncredited)

Dick Wessel as Sailor Kovarsky (uncredited)

Robert B. Williams as Police Sergeant (Car 44) (uncredited)

Bud Wolfe as Speed Cop (uncredited)