Dr Aranya
Jackie Coogan
Dr. Tucker, camp physician
Allan Nixon
Lost Woman
Kelly Drake
Frank
John Robert Martin
George
George Barrows
Blonde 'Watcher in the Woods'
Dolores Fuller
Mona McKinnon
Sherry Moreland
Car-Driver Spider Woman
Katherine Victor
Wu
Samuel Wu
Margia Dean
Dwarf Lab Assistant
Angelo Rossitto
Dan Mulcahey, foreman
Richard Travis
Narrator (voice)
Lyle Talbot
Doreen Culbertson
Paula Hill
Grant Phillips
Robert Knapp
Tarantella
Tandra Quinn
Pepe
Chris-Pin Martin
Dr. Leland J. Masterson
Harmon Stevens
Jan van Croft
Nico Lek
Music
Hoyt Curtin
Cinematography
Karl Struss
Director
Ron Ormond
Screenplay
Herbert Tevos
Producer
Melvin Gordon
Gilbert Warrenton
Editor
Ray H. Lockert
Hugh Winn