Robert Montgomery

as Jonathan 'Lucky' Wilson

Maureen O'Sullivan

as Pauline Miller

Edward Arnold

as Det. Lt. 'Mac' MacCarthy

Elizabeth Patterson

as 'Ma' Miller

Whitford Kane

as Henry Miller

Mickey Rooney

as William 'Willie' Miller

C. Henry Gordon

as Tony Berrelli (the Boss)

Muriel Evans

as 'Baby'

Edward Brophy

as Det. Britt

Henry Armetta

as Shuman

Herman Bing

as Jake

Louise Henry

as Lilly, singer

Harold Huber

as Dr. Warner

Jeanette Loff

as Blonde #2 (uncredited)

Poppy Wilde

as Nightclub Patron (uncredited)