Tom Drake as Richard Rodgers

Mickey Rooney as Lorenz Hart

Janet Leigh as Dorothy Feiner

Marshall Thompson as Herbert Fields

Betty Garrett as Peggy Lorgan McNeil

Jeanette Nolan as Mrs. Hart

Ann Sothern as Joyce Harmon

Perry Como as Eddie Lorrison Anders

Cyd Charisse as Margo Grant

Richard Quine as Ben Feiner Jr.

June Allyson as Alisande La Carteloise

Judy Garland as Judy Garland

Lena Horne as Lena Horne

Gene Kelly as Gene Kelly

Vera-Ellen as Vera-Ellen

Mel Tormé as Mel Tormé

Clinton Sundberg as Shoe Clerk

Dee Turnell as Dee Turnell

Edward Earle as James Fernby Kelly

Harry Antrim as Dr. Rogers

Ilka Grüning as Mrs. Rogers

Emory Parnell as Mr. Feiner

Ramon Blackburn as One of the Blackburn Twins

Royce Blackburn as One of the Blackburn Twins

Dick Haymes as Dick Haymes

Dorothy Abbott as Showgirl (uncredited)

Irving Bacon as Hollywood Realtor (uncredited)

Gower Champion as Specialty Dancer (uncredited)

Gino Corrado as Italian Waiter (uncredited)

Jeanne Coyne as Showgirl (uncredited)

Frank Mayo as Minor Role (uncredited)

George Meeker as Producer (uncredited)

Bert Moorhouse as Backstage Well-Wisher (uncredited)

Allyn Ann McLerie as Singer in Garrick Gaeities

Candy Toxton as

Sue Casey as

George Boyce as Cabbie (uncredited)

Robert Stevenson as Theatre Electrician (uncredited)