
A traitor is lurking somewhere aboard the USS Carolina, and Lt. Tom Randolph is determined to find the offender. First a revolutionary new piece of technology -- an electric firing device -- is sabotaged. Then one of the cruiser's crew is murdered. In order to catch the killer, the captain locks down the ship. With foreign dignitaries, corporate goons and even Tom's girlfriend, Betty, trapped on the vessel, there is no shortage of suspects.
Cast

Robert Taylor
Lieutenant Tom Randolph

Jean Parker
Betty Lansing

Ted Healy
Mac O'Neill

Una Merkel
'Toots' Timmons

Nat Pendleton
'Spud' Burke

Jean Hersholt
Victor Hanson

Arthur Byron
Captain John Winslow

Frank Shields
Lieutenant Arnold

Donald Cook
Lieutenant Commander David Tucker

Mischa Auer
Kamchukan Consul (Uncredited)
Julie Bescos
Crewman (Uncredited)

Ward Bond
'Heavy' Johnson (Uncredited)

James P. Burtis
Winch Control Operator (Uncredited)
Bernard Carr
Officer (Uncredited)

Phyllis Crane
Woman Trying to Leave Ship (Uncredited)

Mary Doran
Jenny Lane (Uncredited)

Tom Dugan
'Greasy' (Uncredited)
Charles Dunbar
Crewman (Uncredited)

Fred Graham
Crewman (Uncredited)
Roger Gray
Yard Master (Uncredited)

Raymond Hatton
Mr. Al Duval (Uncredited)

J. Anthony Hughes
Walter Drake (Uncredited)

John Hyams
Ambrose Justin (Uncredited)

Robert Livingston
Dr. Spencer (Uncredited)

Keye Luke
Consul's Secretary (Uncredited)

George Magrill
Sailor on Watch (Uncredited)
Wally Maher
Bill Williams (Uncredited)

J.P. McGowan
Chief of Police (Uncredited)
Leila McIntyre
Mrs. Justin (Uncredited)

Carlyle Moore Jr.
Orderly Bringing Jenny (Uncredited)

Edward Norris
Sleepy (Uncredited)
Pinky Parker
Shore Patrol Officer (Uncredited)

Lee Phelps
Officer Berating Guard (Uncredited)

Syd Saylor
Chief Petty Officer (Uncredited)

Charles Sherlock
Sailor Taking Civilians' Messages (Uncredited)

Charles Sullivan
Sailor Reporting 'No Fingerprints Found' (Uncredited)

William Tannen
Pee Wee Adams (Uncredited)

Richard Tucker
Harry Jeffries (Uncredited)
Al Williams
Crewman (Uncredited)

Charles C. Wilson
Commander Brown (Uncredited)

Roger Moore
Naval Officer (Uncredited)
Crew

Edward Sedgwick
Director, Original Story
Joseph Sherman
Screenplay
Frank Wead
Screenplay
Conrad A. Nervig
Editor

Milton Krasner
Director of Photography
Al Shenberg
Assistant Director
Lucien Hubbard
Producer

George B. Seitz
Second Unit Director

Douglas Shearer
Sound Director
Paul Marquardt
Original Music Composer
Edward Ward
Additional Music
Fred Gabourie
Set Decoration

James Gleason
Additional Writing

Cedric Gibbons
Art Direction

David Townsend
Art Direction

Edwin B. Willis
Art Direction
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