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