Rudy Vallee

Character: Skip Houston

Ann Dvorak

Character: Bonnie Haydon

Ned Sparks

Character: 'Ten Percent' Nelson

Allen Jenkins

Character: Barney Cowan

Helen Morgan

Character: Herself

Robert Armstrong

Character: Dopey Malone

Alice White

Character: Lulu Betts

Joseph Cawthorn

Character: Sidney Selzer

Al Shean

Character: Sigmund Selzer

William B. Davidson

Character: Billie Madison

Henry O'Neill

Character: Louis Trumble

Phillip Reed

Character: Grant - Radio announcer

Addison Richards

Character: Mr. Thomas

Russell Hicks

Character: Mayor of New York City

Clay Clement

Character: Mr. Johnson

Jack Norton

Character: Drunk (uncredited)

Mary Treen

Character: Woman at train station (uncredited)

Libby Taylor

Character: Lulu Belle (uncredited)