William Powell (Steven Ireland)
Myrna Loy (Susan Ireland)
Gail Patrick (Isobel Grayson)
Jack Carson (Ward Willoughby)
Florence Bates (Mrs. Cooper)
Emmett Vogan (Actor/Actress)
Edward Van Sloan (Actor/Actress)
Harry Strang (Sergeant)
Larry Steers (Actor/Actress)
James Pierce (Actor/Actress)
Lee Phelps (Actor/Actress)
Edward Peil Sr. (Actor/Actress)
Broderick O'Farrell (Guest)
Paul Palmer (Actor/Actress)
Ian Wolfe (Actor/Actress)
Douglas Wood (Actor/Actress)
Pat Gleason (Actor/Actress)
Rudolf Steinbeck (Detective)
Byron Shores (Actor/Actress)
George Lollier (Actor/Actress)
Bill Lally (Actor/Actress)
Richard Kipling (Actor/Actress)
Harry Fleischmann (Driver)
George Guhl (Actor/Actress)
William Tannen (Attendant)
James Millican (Actor/Actress)
Richard Allan (Actor/Actress)
Jay Eaton (Actor/Actress)
Ken Christy (Guard)
Ralph Bushman (Guard)
Aldrich Bowker (Doorman)
Wade Boteler (Captain of Detectives)
Barbara Bedford (Secretary)
Joan Barclay (Telephone Operator)
Fay Bainter (Actor/Actress)
Jimmy Ames (Taxi Driver)
Jesse Graves (Butler)
Eddie Hart (Actor/Actress)
Jack Mulhall (Court Clerk)
George Irving (Doctor)
Selmar Jackson (Doctor)
James McNamara (Actor/Actress)
Charles McMurphy (Actor/Actress)
Philo McCullough (Actor/Actress)
George Magrill (Actor/Actress)
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)