Joe Albany
Lloyd Nolan
Peter Harris
Lynne Overman
Smallest G-Men Club Member
Sonny Bupp
Police Commissioner
John Hamilton
Police Chief
Wallis Clark
James Flowers
Buster Crabbe
Waiter-Witness
George Davis
House Henchman Who Shoots
Dick Rich
Young woman at party (uncredited)
Mary Parker
Mary Harris
Dorothy Peterson
Robert 'Butch' Harris
Delmar Watson
Jane Harris
Mary Carlisle
Frank Martin
Johnny Downs
Henry Rice
J. Carrol Naish
Mack McGloyne
Anthony Quinn
Virgie, the housekeeper
Lu Miller
G-Men Club Treasurer
Tommy Bupp
Art Direction
Franz Bachelin
Director
Louis King
Editor
Anne Bauchens
Writer
Horace McCoy
Theatre Play
Albert Duffy
Marian Grant
Producer
Harold Hurley
Assistant Director
Joe Lefert
William R. Lipman
Hans Dreier
Director of Photography
Victor Milner