"Captain Stone's newly recruited officer, Tom Merriam, idolizes his senior who treats him like a friend. But when a couple of his crew members die mysteriously, Tom starts doubting Stone's authority."
Richard Dix
as Capt. Will Stone
Russell Wade
as Third Officer Tom Merriam
Edith Barrett
as Ellen Roberts
Ben Bard
as First Officer Bowns
Edmund Glover
as Jacob 'Sparks' Winslow, Radioman
Sir Lancelot
as Billy Radd
Lawrence Tierney
as Seaman Louie Parker
Dewey Robinson
as Boats
Skelton Knaggs
as Paolo 'Finn' Lindstrom, the Mute
Paul Marion
as Peter, the Greek
Robert Bice
as Raphael, the Steward
Tom Burton
as William Benson
Harry Clay
as Tom McCall
Alec Craig
as Blind Beggar
Boyd Davis
as Charles Roberts
George DeNormand
as John Corbin, Sailor
Charles Lung
as Long Jim
Shirley O'Hara
as Ellen's Sister
Herb Vigran
as Chief Engineer
Eddie Borden
as Crewman (uncredited)
John Burford
as Crewman
Cliff Edwards
as Unnamed Officer
Mike Lally
Nolan Leary
as Stenographer
Norman Mayes
as Carriage Driver
Charles Norton
as German Sailor
Russell Owen
Charles Regan
Robert R. Stephenson
Steve Winston
as Ausman
Mark Robson
Director
Donald Henderson Clarke
Screenplay
Leo Mittler
Story
Val Lewton
Producer
Roy Webb
Original Music Composer
Nicholas Musuraca
Director of Photography
John Lockert
Editor
Vernon L. Walker
Special Effects
Albert S. D'Agostino
Art Direction
Walter E. Keller
Darrell Silvera
Set Decoration
Claude E. Carpenter
C. Bakaleinikoff
Music Director
Ruby Rosenberg
Assistant Director
Edward Stevenson
Costume Design