Tyrone Power as Alexander - Roger Grant

Alice Faye as Stella Kirby

Don Ameche as Charlie Dwyer

Ethel Merman as Jerry Allen

Jack Haley as Davey Lane

Jean Hersholt as Prof. Heinrich

Helen Westley as Aunt Sophie

John Carradine as Speakeasy Doorman

Paul Hurst as Bill Mulligan

Wally Vernon as Wally Vernon

Ruth Terry as Ruby

Douglas Fowley as Snapper

Chick Chandler as Louie

Eddie Collins as Corporal Collins

Joseph Crehan as Stage Manager

Robert Gleckler as Eddie

Dixie Dunbar as Specialty

Joe King as Charles Dillingham

Charles Coleman as Head Waiter

Stanley Andrews as Colonel

Charles Williams as Agent

Jane Jones as Trio Member

Otto Fries as Trio Member

Mel Kalish as Trio Member

Selmer Jackson as Manager Radio Station

A.S. Byron as Train Conductor (uncredited)

Lon Chaney Jr. as Photographer

James Flavin as Army Captain (uncredited)

Eddie Hall as Man on Train (uncredited)

Frank O'Connor as Officer in Army Show Audience (uncredited)

Marjorie Woodworth as Baton Specialty (uncredited)

Jack Pennick as Drill Sergeant

Rondo Hatton as Barfly