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