Detective Anderson
Chester Morris
Police lieutenant
Chance Ward
The Caretaker
Spencer Charters
Brook
William Bakewell
Dr. Venrees
Gustav von Seyffertitz
Richard Fleming
Hugh Huntley
Detective Jones
Charles Dow Clark
The Unknown
Ben Bard
Dale Van Gorder
Una Merkel
Mr. Bell
Richard Tucker
The Butler
Wilson Benge
Police Captain
DeWitt Jennings
Police Sergeant
Sidney D'Albrook
Man in Black Mask
S.E. Jennings
Miss Cornelia van Gorder
Grayce Hampton
Lizzie Allen
Maude Eburne
Director
Roland West
Writer
Theatre Play
Mary Roberts Rinehart
Producer
Joseph M. Schenck
Avery Hopwood
Director of Photography
Ray June
Robert H. Planck
Editor
Hal C. Kern
James Smith
Set Decoration
Paul Crawley
Makeup Artist
Production Manager
Helen Hallett
Assistant Director
Roger Heman Sr.
Sound
Oscar Lagerstrom