Robert Clarke as Dr. Hadley

Steve Brodie as Jocko

Cameron Mitchell as Clay Jayson

Robert Christopher as Mark Eden

Tain Bodkin as Curtis

Patrick O'Neil as Dino

Andrew Duggan as The Colonel

John Carradine as Dr. Frankenstein

Katherine Victor as Sheila Frankenstein van Helsing

George Mitchell André as Dr. von Helsing

Dana Norbeck as Jungle Girl

Laurel Johnson as Jungle Girl

Richard Banks as Angus