William Powell
Dr. Lawrence 'Brad' Bradford
Jean Arthur
Paula Bradford
James Gleason
Inspector Corrigan
Eric Blore
Stokes, Bradford's Butler
Robert Armstrong
Nick Martel, Bookie
Lila Lee
Miss Prentiss, Bradford's Receptionist
Grant Mitchell
John Summers, Luxury's Owner
Erin O'Brien-Moore
Mrs. Summers
Ralph Morgan
Leroy Hutchins, War Cloud's Owner
Lucile Gleason
Mrs. Hutchins
Johnny Arthur
Mr. Frankenstein (uncredited)
Stanley Blystone
Police Radio Operator (uncredited)
Tom Brower
Police Sergeant (uncredited)
Spencer Charters
Dr. Bunting (uncredited)
