Jackie Coogan
Dr Aranya
Allan Nixon
Dr. Tucker, camp physician
Richard Travis
Dan Mulcahey, foreman
Lyle Talbot
Narrator (voice)
Paula Hill
Doreen Culbertson
Robert Knapp
Grant Phillips
Tandra Quinn
Tarantella
Chris-Pin Martin
Pepe
Harmon Stevens
Dr. Leland J. Masterson
Nico Lek
Jan van Croft
Kelly Drake
Lost Woman
John Robert Martin
Frank
George Barrows
George
Dolores Fuller
Blonde 'Watcher in the Woods'
Mona McKinnon
Lost Woman
Sherry Moreland
Lost Woman
Katherine Victor
Car-Driver Spider Woman
Samuel Wu
Wu
Margia Dean
Lost Woman
Angelo Rossitto
Dwarf Lab Assistant