William Powell (Steven Ireland)
Myrna Loy (Susan Ireland)
Gail Patrick (Isobel Grayson)
Jack Carson (Ward Willoughby)
Florence Bates (Mrs. Cooper)
Emmett Vogan
Edward Van Sloan
Harry Strang (Sergeant)
Larry Steers
James Pierce
Lee Phelps
Edward Peil Sr.
Broderick O'Farrell (Guest)
Paul Palmer
Ian Wolfe
Douglas Wood
Pat Gleason
Rudolf Steinbeck (Detective)
Byron Shores
George Lollier
Bill Lally
Richard Kipling
Harry Fleischmann (Driver)
George Guhl
William Tannen (Attendant)
James Millican
Richard Allan
Jay Eaton
Ken Christy (Guard)
Ralph Bushman (Guard)
Aldrich Bowker (Doorman)
Wade Boteler (Captain of Detectives)
Barbara Bedford (Secretary)
Joan Barclay (Telephone Operator)
Fay Bainter
Jimmy Ames (Taxi Driver)
Jesse Graves (Butler)
Eddie Hart
Jack Mulhall (Court Clerk)
George Irving (Doctor)
Selmar Jackson (Doctor)
James McNamara
Charles McMurphy
Philo McCullough
George Magrill
Sara Haden (Cecilia Landis)
Kathleen Lockhart (Mrs. Bristol)
Fern Emmett (Martha)
Joseph Crehan (Judge)
George Meeker (DeWest)
Clarence Muse (Robert)
Elisha Cook, Jr. (Elevator Boy)
Sidney Blackmer (George Hennie)
Sig Rumann (Dr. Wuthering)
Vladimir Sokoloff (Dr. Kugle)
Donald MacBride ("Pinky" Grayson)