Sea Raiders

Billy Halop

As Billy Adams

Huntz Hall

As Toby Nelson

Gabriel Dell

As Bilge

Bernard Punsly

As Butch

Hal E. Chester

As Swab

Reed Hadley

As Carl Tonjes

William Hall

As Brack Warren

Mary Field

As Aggie Nelson

John McGuire

As Tom Adams

Marcia Ralston

As Leah Carlton

Stanley Blystone

As Capt. Olaf Nelson

Edward Keane

As Elliott Carlton

Richard Alexander

As Jenkins

Ernie Adams

As Zeke

Jack Rube Clifford

As Pug Anderson

Morgan Wallace

As Capt. Lester

Eddie Dunn

As Whaler Captain

Forrest Taylor

As Fenwick the Inventor

Joe Recht

As Lug

Richard Bond

As Krans

James Blaine

As Desk Sergeant

Ed Cassidy

As Guard at Hospital

Jack Cheatham

As Duke

Dick Curtis

As Mate on the 'Astoria'

Larry Grenier

As Island Guard

Al Hill

As Speeding Motorist (archive footage)

Jerry Jerome

As 'Astoria' Officer

Guy Kingsford

As Sven - Whaler Crewman

Jerry Mandy

As Tony - Grocer

John Merton

As First Island Guard

Jack Mulhall

As 'Dolphin' Radioman

Paul Newlan

As Chris - Second Island Guard

Eddie Parker

As Coral Strand Crewman

Jack Perrin

As Island Guard-Launch Pilot

House Peters Jr.

As Agent Burke

Anthony Rogers

As Jim - Police Boat Pilot

Hans Schumm

As Sub Captain

George Sherwood

As Island Guard

Mickey Simpson

As Angry Motorist

Tom Steele

As Coral Strand Crewman / Whaler Crewman

Frank Wayne

As Fenwick's Guard

Duke York

As Pete - Whaler Crewman

Bill Hunter

As Policeman

Bill Moss

As

Joe Pope

As

Jack Holmes

As

Robert R. Stephenson

As