Credits
Cast
Boris Karloff
Dr. Julian Blair
Richard Fiske
Dr. Richard Sayles
Amanda Duff
Anne Blair
Anne Revere
Mrs. Walters
Dorothy Adams
Mrs. Marcy
Walter Baldwin
Seth Marcy
Kenneth MacDonald
Sheriff Ed Willis
Shirley Warde
Helen Blair
Cy Schindell
Karl
Ernie Adams
Elam
Lester Allen
Dr. Van Den
Wheaton Chambers
Dr. Sanders
Eddie Kane
Professor Walt
Harrison Greene
Mr. Booth
Erwin Kalser
Professor Kent
John Tyrrell
Postmaster
Art
Lionel Banks
Art Direction
Camera
Allen G. Siegler
Director of Photography
Directing
Edward Dmytryk
Director
Editing
Al Clark
Editor
Production
Wallace MacDonald
Producer
Sound
Morris Stoloff
Original Music Composer, Music Director
Philip Faulkner Jr.
Sound Engineer
Writing
William Sloane
Novel
Robert Hardy Andrews
Screenplay
Milton Gunzburg
Screenplay