Calificación
Reparto

Whit Bissell
Prof. Frankenstein

Phyllis Coates
Margaret

Robert Burton
Dr. Karlton

Gary Conway
Bob / Teenage Monster

George Lynn
Sgt. Burns

John Cliff
Sgt. McAffee

Marshall Bradford
Dr. Randolph

Claudia Bryar
Arlene's Mother

Angela Austin
First Victim

Russ Whiteman
Dr. Elwood

Charles Seel
Mr. Sexton, the jeweler

Paul Keast
Man at Crash

Gretchen Thomas
Woman in Corridor

Patrick Miller
Police Officer (as Pat Miller)

Joy Stoner
Arlene

Larry Carr
Young Man (uncredited)