Prof. Frankenstein
Margaret
Dr. Karlton
Bob / Teenage Monster
Sgt. Burns
Sgt. McAffee
Dr. Randolph
Arlene's Mother
First Victim
Dr. Elwood
Mr. Sexton, the jeweler
Man at Crash
Woman in Corridor
Police Officer (as Pat Miller)
Arlene
Young Man (uncredited)
Party Guest (uncredited)
Party Guest (uncredited)
Party Guest (uncredited)
Rooming House Boarder (uncredited)
Party Guest (uncredited)
Party Guest (uncredited)