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