Mystery Sea Raider

June McCarthy

Carole Landis

Captain Jimmy Madden

Henry Wilcoxon

Carl Cutler

Onslow Stevens

Maggie Clancy

Kathleen Howard

Blake, 3rd Mate

Wally Rairden

Sven

Sven Hugo Borg

Cmdr. Bulow

Henry Victor

Lt. Schmidt

Roland Varno

Lerner

Louis Adlon

Lt. Felder

Willy Kaufman

Captain Norberg

Monte Blue

Captain Howard

Matthew Boulton

Captain Van Wyck

Gohr Van Vleck

Captain Benoit

Jean Del Val

Flossie La Mare

Kay Linaker

Hughes, Carl's Chauffeur

Reed Howes

Sparks, Radio Operator

Phil Warren

Franz, German Seaman

Kurt Kreuger

Jack, American Seaman

Jack Roberts

August - German Seaman

Eric Alden

Sugar Daddy

Harry A. Bailey

Wilheim, German Seaman

Holger Bendixen

Boy

Edwin Brian

Second Fisherman

Jess Lee Brooks

Radio Operator

Willy Castello

Gunnery Officer

David Cavendish

Messboy

Jack Chapin

Quartermaster

Worth Crouch

Man on Wharf

Sidney D'Albrook

Submarine Commander

Albert D'Arno

Mousey Little Man

Harry Depp

Martin

Vernon Downing

Navigating Officer

Roland Drew

Radio Man

Hans Fuerberg

Hans, German Seaman

Douglas Grant

Ernst, German Seaman

Donald Grayson

Herman, German Seaman

Edward Groag

Man on Wharf

Chuck Hamilton

Benny

Darryl Hickman

Listener

Leyland Hodgson

Bo's'n

John Indrisano

Larry, American Seaman

Larry Lawson

Man on Wharf

George Magrill

Jenkins

Wally Maher

Radio Operator on the Aleria

Anthony Marsh

Lois

Wanda McKay

German Officer

Thomas Mizer

Annette

Norma Gene Nelson

Siegfried, German Seaman

Otto Reichow

Submarine Captain

Ferdinand Schumann-Heink

Sentry

Hans Schumm

Nick, German Seaman

Rudolf Steinboeck

Cop

Ben Taggart

Albert, German Seaman

Sigfrid Tor

Adolph, German Seaman

Nicholas Vehr

Cop

Emmett Vogan

Karl, German Seaman

Chester Walker

Straker

Pierre Watkin

First Fisherman

Ernest Whitman

British Cruiser Captain

Leonard Willey

Messenger

Dick Winslow

Chalmers

Philip Winter

Man on Wharf

Tom Wintle

Submarine Commander

Henry Zynda

Heinrich, German Seaman

Charles Flynn