Edward G. Robinson as James Francis 'Bugs' / 'Jim' Ahearn

Mary Astor as Ruth Wayburn

Helen Vinson as Polly Cass

Russell Hopton as Albert J. 'Al' Daniels

Kenneth Thomson as John Stanley

Shirley Grey as Edith Merriam

Berton Churchill as Donald Hadley Cass

Don Dillaway as Gordon Cass

Louise Mackintosh as Mrs. Donald Hadley Cass

Lester Dorr as Investment Clerk (uncredited)

Bill Elliott as Guest at Polly's Party (uncredited)

Selmer Jackson as Radio Announcer (voice) (uncredited)

Jayne Shadduck as Society Girl (uncredited)

Dewey Robinson as Butch

Sidney Bracey as Butler

Charles Coleman as Tailor

Toby Wing as Society Girl (uncredited)