Shipwreck survivors land on an uncharted island inhabited by prehistoric beasts.
James Arness
Kirk Hamilton
Kasey Rogers
Elaine Jeffries
Gloria Petroff
Janice Jeffries
Bill Kennedy
Martin Shannon
Pierre Watkin
Magistrate Jeffries
Tom Hubbard
John Hartley
Jane Harlan
Nancy Holden
Tom Monroe
Merchant Capt. Tallman
