Allyn Joslyn
— Bill Harrison
Evelyn Keyes
— Jacqueline "Jack" Harrison
Marguerite Chapman
— Marie Dumont Baumler
Edgar Buchanan
— Lt. Washburn
Nina Foch
— Frieda Brenner
Hugo Haas
— Domino
Shemp Howard
— Laundry Truck Driver
Frank Jenks
— Sgt. Erwin
Erwin Kalser
— Dr. Brenner
Tonio Selwart
— Leslie Carlson
John Wengraf
— Rudolph Kruger
Hugh Beaumont
— Detective Carey (uncredited)
William Forrest
— Superintendent Reynolds (uncredited)
Ivan Triesault
— Dr. Igor Baumler (uncredited)
Eugene Borden
— B.M. Toman (uncredited)
Ralph Dunn
— Mike McCafferty (uncredited)
Lane Chandler
— Mounted Officer (uncredited)
Kernan Cripps
— Officer in Patrol Car (uncredited)
Edgar Dearing
— Motorcycle Officer (uncredited)
Jack Lee
— Sampson (uncredited)
Erik Rolf
— Johansen (uncredited)
Arthur Space
— Mac (uncredited)
Pauline Derby
— Girl (uncredited)
Buddy Swan
— Newsboy (uncredited)
James Flavin
— Bank Security Guard (uncredited)
Reed Howes
— Bank Officer (uncredited)
Harold Minjir
— Hat Salesman (uncredited)
Bess Flowers
— Fashionable Woman with Great Dane (uncredited)
Robert Emmett Keane
— Police Psychiatrist (uncredited)
Larry Emmons
— Policeman (uncredited)