James Cagney as Robert Law

Pat O'Brien as J. Carlyle 'J.C.' Benson

Marie Wilson as Mrs. Susan 'Susie' Seabrook

Ralph Bellamy as C. Elliott 'C.F.' Friday

Frank McHugh as Rossetti

Dick Foran as Larry Toms

Bruce Lester as Rodney Bowman

Ronald Reagan as Announcer

Paul Clark as Happy

Penny Singleton as Peggy

Dennie Moore as Miss Crews

Harry Seymour as Song Writer

Bert Hanlon as Song Writer

James Stephenson as Major Thompson

Curt Bois as Dance Director

Loia Cheaney as Hospital Nurse

Eddie Conrad as Jascha Alexander

Hal K. Dawson as Wardrobe Attendant

Otto Fries as Olaf - Masseur

John Harron as Extra Talking to Rodney

George Hickman as Office Boy

Jan Holm as Hospital Nurse with Letter

Bert Howard as Director

Nenette Lafayette as Paris Operator

Carole Landis as Commissary Cashier

Vera Lewis as Studio Cleaning Woman

Peggy Moran as New York Operator

James Nolan as Young Man Brought in for Susie

John Ridgely as Simmons - Friday's Film Cutter

Cliff Saum as Smitty - Studio Policeman

Mary Ann Such as Young Girl

William Telaak as Bruiser

Rosella Towne as Hospital Nurse Wheeling Larry

Dorothy Vaughan as Happy's Nurse

Pierre Watkin as B.K. Whitacre