"A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs."
Billy Halop
as Billy Adams
Huntz Hall
as Toby Nelson
Gabriel Dell
as Bilge
Bernard Punsly
as Butch
Hal E. Chester
as Swab
Reed Hadley
as Carl Tonjes
William Hall
as Brack Warren
Mary Field
as Aggie Nelson
John McGuire
as Tom Adams
Marcia Ralston
as Leah Carlton
Stanley Blystone
as Capt. Olaf Nelson
Edward Keane
as Elliott Carlton
Richard Alexander
as Jenkins
Ernie Adams
as Zeke
Jack Rube Clifford
as Pug Anderson
Morgan Wallace
as Capt. Lester
Eddie Dunn
as Whaler Captain
Forrest Taylor
as Fenwick the Inventor
Joe Recht
as Lug
Richard Bond
as Krans
James Blaine
as Desk Sergeant
Ed Cassidy
as Guard at Hospital
Jack Cheatham
as Duke
Dick Curtis
as Mate on the 'Astoria'
Larry Grenier
as Island Guard
Al Hill
as Speeding Motorist (archive footage)
Jerry Jerome
as 'Astoria' Officer
Guy Kingsford
as Sven - Whaler Crewman
Jerry Mandy
as Tony - Grocer
John Merton
as First Island Guard
Jack Mulhall
as 'Dolphin' Radioman
Paul Newlan
as Chris - Second Island Guard
Eddie Parker
as Coral Strand Crewman
Jack Perrin
as Island Guard-Launch Pilot
House Peters Jr.
as Agent Burke
Anthony Rogers
as Jim - Police Boat Pilot
Hans Schumm
as Sub Captain
George Sherwood
Mickey Simpson
as Angry Motorist
Tom Steele
as Coral Strand Crewman / Whaler Crewman
Frank Wayne
as Fenwick's Guard
Duke York
as Pete - Whaler Crewman
Bill Hunter
as Policeman
Bill Moss
as
Joe Pope
Jack Holmes
Robert R. Stephenson
Paul Huston
Screenplay
Patrick Kelley
Editor
Ford Beebe
Director
Bud Geary
Stunts
Dale Van Sickel
Bud Wolfe
John Rawlins
Alvin Todd
Joseph Gluck
Henry MacRae
Producer
Clarence Upson Young
Louis Sackin
William A. Sickner
Director of Photography
