Billy Halop

Billy Adams

Acting

Huntz Hall

Toby Nelson

Acting

Gabriel Dell

Bilge

Acting

Bernard Punsly

Butch

Acting

Hal E. Chester

Swab

Production

Reed Hadley

Carl Tonjes

Acting

William Hall

Brack Warren

Acting

Mary Field

Aggie Nelson

Acting

John McGuire

Tom Adams

Acting

Marcia Ralston

Leah Carlton

Acting

Stanley Blystone

Capt. Olaf Nelson

Acting

Edward Keane

Elliott Carlton

Acting

Richard Alexander

Jenkins

Acting

Ernie Adams

Zeke

Acting

Jack Rube Clifford

Pug Anderson

Acting

Morgan Wallace

Capt. Lester

Acting

Eddie Dunn

Whaler Captain

Acting

Forrest Taylor

Fenwick the Inventor

Acting

Joe Recht

Lug

Acting

Richard Bond

Krans

Acting

James Blaine

Desk Sergeant

Acting

Ed Cassidy

Guard at Hospital

Acting

Jack Cheatham

Duke

Acting

Dick Curtis

Mate on the 'Astoria'

Acting

Larry Grenier

Island Guard

Acting

Al Hill

Speeding Motorist (archive footage)

Acting

Jerry Jerome

'Astoria' Officer

Acting

Guy Kingsford

Sven - Whaler Crewman

Acting

Jerry Mandy

Tony - Grocer

Acting

John Merton

First Island Guard

Acting

Jack Mulhall

'Dolphin' Radioman

Acting

Paul Newlan

Chris - Second Island Guard

Acting

Eddie Parker

Coral Strand Crewman

Acting

Jack Perrin

Island Guard-Launch Pilot

Acting

House Peters Jr.

Agent Burke

Acting

Anthony Rogers

Jim - Police Boat Pilot

Acting

Hans Schumm

Sub Captain

Acting

George Sherwood

Island Guard

Acting

Mickey Simpson

Angry Motorist

Acting

Tom Steele

Coral Strand Crewman / Whaler Crewman

Acting

Frank Wayne

Fenwick's Guard

Acting

Duke York

Pete - Whaler Crewman

Acting

Bill Hunter

Policeman

Acting

Bill Moss

Acting

Joe Pope

Acting

Jack Holmes

Acting

Robert R. Stephenson

Acting