Bande-annonce
Distribution
Walter Baldwin
Seth Marcy
Kenneth MacDonald
Sheriff Ed Willis
Richard Fiske
Dr. Richard Sayles
Dorothy Adams
Mrs. Marcy
Ernie Adams
Elam
Erwin Kalser
Professor Kent
Boris Karloff
Dr. Julian Blair
Amanda Duff
Anne Blair
Anne Revere
Mrs. Walters
Shirley Warde
Helen Blair
Cy Schindell
Karl
Lester Allen
Dr. Van Den
Wheaton Chambers
Dr. Sanders
Eddie Kane
Professor Walt
John Tyrrell
Postmaster