Director
Ford Beebe
DIRECTOR
John Rawlins
Stars (in credits order)
Billy Halop
Billy Adams
Huntz Hall
Toby Nelson
Gabriel Dell
Bilge
Bernard Punsly
Butch
Hal E. Chester
Swab
Joe Recht
Lug
William Hall
Brack Warren
John McGuire
Tom Adams
Mary Field
Aggie Nelson
Edward Keane
Elliott Carlton [Chs. 1-7]
Marcia Ralston
Leah Carlton
Reed Hadley
Carl Tonjes
Stanley Blystone
Capt. Olaf Nelson
Richard Alexander
Jenkins
Ernie Adams
Zeke - Skipper of the 'Mary Lou'
Jack Rube Clifford
Pug Anderson [Chs. 1-6]
Richard Bond
Krans, Agent X-39 [Chs. 4, 6]
Morgan Wallace
Capt. Lester [Chs. 1-3, 6-7]
Eddie Dunn
Whaler Captain [Chs. 8-9]
James Blaine
Desk Sergeant [Ch. 7]uncredited
Ed Cassidy
Guard at Hospital [Ch. 6]uncredited
Jack Cheatham
Duke [Ch. 1]uncredited
Dick Curtis
Mate on the 'Astoria' [Chs. 4-5]uncredited
Larry Grenier
Island Guarduncredited
Al Hill
Speeding Motorist [Ch. 2]uncredited,archiveFootage
Jack Holmes
uncredited
Bill Hunter
Policeman [Chs. 3-4]uncredited
Jerry Jerome
'Astoria' Officer [Ch. 4]uncredited
Guy Kingsford
Sven - Whaler Crewman [Ch. 9]uncredited
Jerry Mandy
Tony - Grocer [Chs. 1-2]uncredited
John Merton
First Island Guard [Chs. 10-11]uncredited
William Moss
Jack Mulhall
'Dolphin' Radioman [Chs. 1-2]uncredited
Paul Newlan
Chris - Second Island Guard [Chs. 11-12]uncredited
Eddie Parker
Coral Strand Crewman [Chs. 6-9]uncredited
Jack Perrin
Island Guard-Launch Pilot [Ch. 12]uncredited
House Peters Jr.
Agent Burke [Ch. 4]uncredited
Joe Pope
Anthony Rogers
Jim - Police Boat Pilot [Chs. 2, 6]uncredited
Hans Schumm
Sub Captain [Chs. 9, 11-12]uncredited
George Sherwood
Mickey Simpson
Angry Motorist [Ch. 2]uncredited
Tom Steele
Coral Strand Crewman [Ch. 6]uncredited
Robert R. Stephenson
Forrest Taylor
Fenwick the Inventor [Chs. 1, 5, 9, 12]uncredited
Frank Wayne
Fenwick's Guard [Ch. 12]uncredited
Duke York
Pete - Whaler Crewman [Chs. 8-9]uncredited