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

Joey Raye

Charlene Hawks

Charles Regan

Don Riss

Narrator

James Guilfoyle

Dr. Wakeland

Hank Mann

Cap Somers

Guy Bellis

[Credited, but edited]

Herman Cantor

Fuller - Sailor