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
