Cast
Billy Halop
Billy Adams
William Hall
Brack Warren
Jerry Mandy
Tony - Grocer
Eddie Parker
Coral Strand Crewman
Reed Hadley
Carl Tonjes
Ernie Adams
Zeke
House Peters Jr.
Agent Burke
Duke York
Pete - Whaler Crewman
Gabriel Dell
Bilge
Eddie Dunn
Whaler Captain
Dick Curtis
Mate on the 'Astoria'
Al Hill
Speeding Motorist (archive footage)
Mickey Simpson
Angry Motorist
Huntz Hall
Toby Nelson
Richard Alexander
Jenkins
Forrest Taylor
Fenwick the Inventor
John Merton
First Island Guard
Bernard Punsly
Butch
Jack Cheatham
Duke
Edward Keane
Elliott Carlton
Jack Mulhall
'Dolphin' Radioman
Jack Perrin
Island Guard-Launch Pilot
John McGuire
Tom Adams
Richard Bond
Krans
James Blaine
Desk Sergeant
Paul Newlan
Chris - Second Island Guard
Hans Schumm
Sub Captain
Marcia Ralston
Leah Carlton
Stanley Blystone
Capt. Olaf Nelson
Jack Rube Clifford
Pug Anderson
Morgan Wallace
Capt. Lester
Ed Cassidy
Guard at Hospital