Melvyn Douglas
Joel Sloane
Florence Rice
Garda Sloane
Claire Dodd
Julia Thorne
Shepperd Strudwick
Ned Morgan
Louis Calhern
Elias Z. Bannerman
Nat Pendleton
Paul Terison
Douglass Dumbrille
Arnold Stamper (as Douglas Dumbrille)
Mary Howard
Leah Brockler
George Zucco
Otto Brockler
Minor Watson
Steve Langner
Donald Douglas
Lt. James Flanner
Dwight Frye
Sidney Z. Wheeler
Thurston Hall
Dist. Atty. MacMillen
Horace McMahon
Danny Scolado (as Horace MacMahon)
Barbara Bedford
MacMillen's Secretary (uncredited)
James B. Carson
Safe Expert (uncredited)
Jack Chefe
Maitre d' (uncredited)
Roger Converse
Assistant Dist. Atty. Byers (uncredited)
Jack Foss
Attendant Bringing Sandwich (uncredited)
Natalie Garson
Mildred, Girl with Sidney (uncredited)
Chuck Hamilton
Police Detective (uncredited)
Edward Hearn
Policeman (uncredited)
Harold Miller
Auction Attendee (uncredited)
Edmund Mortimer
Restaurant Patron (uncredited)
Wedgwood Nowell
Man in Victim's House (uncredited)
Ronald R. Rondell
Taxi Driver (uncredited)
Henry Sylvester
Auctioneer (uncredited)
Gabriel Scognamillo
Assistant Art Director
Edwin B. Willis
Assistant Art Director
Douglas Shearer
Sound Director
Dolly Tree
Wardrobe Designer
Edward Buzzell
Director
Frederick Stephani
Producer
William Axt
Music
Clyde De Vinna
Director of Photography
Fredrick Y. Smith
Editor
Cedric Gibbons
Art Direction
Marco Page
Novel
Harold Tarshis
Screenplay
Charles O'Malley
Assistant Director
Harry Kurnitz
Screenplay