"Shipwreck survivors land on an uncharted island inhabited by prehistoric beasts."
James Arness
as Kirk Hamilton
Kasey Rogers
as Elaine Jeffries
Gloria Petroff
as Janice Jeffries
Bill Kennedy
as Martin Shannon
Pierre Watkin
as Magistrate Jeffries
Tom Hubbard
as John Hartley
Jane Harlan
as Nancy Holden
Tom Monroe
as Merchant Capt. Tallman
Rye Billsbury
as Pirate Captain Hackett
Fred Kohler Jr.
as Nat Mercer
Tim Graham
as Salty
Richard Bartell
as Mr. Davis
Robert Carson
as Naval Capt. Allison
Joey Raye
as
Charlene Hawks
Charles Regan
Don Riss
as Narrator
James Guilfoyle
as Dr. Wakeland
Hank Mann
Cap Somers
Guy Bellis
as [Credited, but edited]
Herman Cantor
as Fuller - Sailor
Norman Dawn
Director
Boris Petroff
Producer
Harry Neumann
Director of Photography
Alex Alexander
Original Music Composer
Adaptation
Story
Screenplay
Carmen Dirigo
Hairstylist
Jack R. Glass
Special Effects
Fred R. Feitshans Jr.
Editor
Phyllis Parker
Charles D. Hall
Art Direction
Harry Ross
Makeup Artist
