Dorothy Adams
Dr. Trykel's Associate
Morris Ankrum
Narrator (voice)
Ralph Dunn
Detective Lester
Harry Hayden
Gus Conklin
Lloyd Ingraham
High School Principal
Howard M. Mitchell
Butcher
Frank Reicher
Philip Kenneson, Sr.
Arthur Shields
Dr. Rupert Trykel
Ann Shoemaker
Mrs. Martha Kenneson
Crane Whitley
Inspector Becker