On screen
Cast
17 credited performers
John Agar
Barry Rogers
Francine York
Pat Trent
Jeff Alexander
Dr. Simond Trent
Artwork unavailable
Shirley McLine
Brenda Simmons
Artwork unavailable
Cal Duggan
Ritchie
Artwork unavailable
Charles McLine
Rabbit Simms
Bill McGhee
Tracker
Bill Thurman
Driscoll West / The Swamp Creature
Tony Huston
Tom
Artwork unavailable
Ted Mitchell
Valjean
Artwork unavailable
Roger Ready
Frenchie
Artwork unavailable
Gayle Johnson
Mura
Artwork unavailable
Michael Tolden
Elderly Father
Annabelle Weenick
Hotel Clerk
Patrick Cranshaw
Pilot
Artwork unavailable
J.V. Lee
Brother
Artwork unavailable
Naomi Bruton
Marcie