Why Be Good?

Colleen Moore

Pert Kelly

Bodil Rosing

Ma Kelly

John St. Polis

Pa Kelly

Neil Hamilton

Winthrop Peabody Jr.

Edward Martindel

Winthrop Peabody Sr.

Louis Natheaux

Jimmy Alexander

Lincoln Stedman

Tom

Eddie Clayton

Jerry

Collette Merton

Julie

Dixie Gay

Susie

Mischa Auer

Man Dancing at The Boiler (uncredited)

Bobby Burns Berman

Night Club Show Host (uncredited)

Phyllis Crane

Salesgirl (uncredited)

Andy Devine

Young Man at The Boiler (uncredited)

Jean Harlow

Blonde on Rooftop Bench at Junior's Second Party