Discover
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
Rye Billsbury
Pirate Captain Hackett
Fred Kohler Jr.
Nat Mercer
Tim Graham
Salty
Richard Bartell
Mr. Davis
Robert Carson
Naval Capt. Allison
Don Riss
Narrator
James Guilfoyle
Dr. Wakeland
Guy Bellis
[Credited, but edited]
Herman Cantor
Fuller - Sailor
Art
Charles D. Hall
Art Direction
Camera
Harry Neumann
Director of Photography
Crew
Jack R. Glass
Special Effects
Directing
Norman Dawn
Director
Editing
Fred R. Feitshans Jr.
Editor
Production
Boris Petroff
Producer
Sound
Alex Alexander
Original Music Composer
Art
Charles D. Hall
Art Direction
Camera
Harry Neumann
Director of Photography
Crew
Jack R. Glass
Special Effects
Directing
Norman Dawn
Director
Editing
Fred R. Feitshans Jr.
Editor
Production
Boris Petroff
Producer
Sound
Alex Alexander
Original Music Composer