William Powell
Dr. Lawrence 'Brad' Bradford
Acting
Jean Arthur
Paula Bradford
Acting
James Gleason
Inspector Corrigan
Acting
Eric Blore
Stokes, Bradford's Butler
Acting
Robert Armstrong
Nick Martel, Bookie
Acting
Lila Lee
Miss Prentiss, Bradford's Receptionist
Acting
Grant Mitchell
John Summers, Luxury's Owner
Acting
Erin O'Brien-Moore
Mrs. Summers
Acting
Ralph Morgan
Leroy Hutchins, War Cloud's Owner
Acting
Lucile Gleason
Mrs. Hutchins
Acting
Johnny Arthur
Mr. Frankenstein (uncredited)
Acting
Stanley Blystone
Police Radio Operator (uncredited)
Acting
Tom Brower
Police Sergeant (uncredited)
Acting
Spencer Charters
Dr. Bunting (uncredited)
Acting
Frankie Darro
Spike Salisbury (uncredited)
Acting
John Dilson
Analyst Examining Gelatin Capsule (uncredited)
Acting
James Donlan
Taxi Driver (uncredited)
Acting
Paul Fix
Lou Pender (uncredited)
Acting
Dorothy Granger
Fill-in Receptionist (uncredited)
Acting
Sam Hayes
Race Announcer (uncredited)
Acting
Rollo Lloyd
Landlord (uncredited)
Acting
Edward McWade
Minister in Film (uncredited)
Acting
Frank Reicher
Henry Strand (uncredited)
Acting
Charles Richman
Mr. Curtis (uncredited)
Acting
Syd Saylor
Detective (uncredited)
Acting
John Sheehan
Bert Murphy (uncredited)
Acting
Buster Slaven
Newsboy (uncredited)
Acting
Al St. John
Morgue Attendant (uncredited)
Acting
Henry Stone
Ray Torro (uncredited)
Acting
Bob Tansill
Joe Jerino (uncredited)
Acting
Frank M. Thomas
Mike North (uncredited)
Acting