

Un docteur découvre qu'une creature engendrée par la peur provoque la mort de l'organisme humain.
William Castle
Prologue Host (uncredited)

Bob Gunderson
Ryerson - Screaming Convict (uncredited)

Dal McKennon
Projectionist (uncredited)
Leon Alton
Member of Silent Movie Audience (uncredited)

Gertrude Astor
Member of Silent Movie Audience (uncredited)

Richard Barthelmess
David Kinemon (archive footage) (uncredited)