On December 6, 1941, Captain Yamanada (Nino Pepitone) of the Japanese aircraft carrier "Hiranamu", orders full steam ahead for Pearl Harbor. His ship encounters and sinks an American yacht and the single survivor, Sue Curry (Marguerite Chapman), is rescued by an American submarine, the "Sea Serpent", commanded by Commander Chris Warren (John Howard). He hears her story and attempts to radio a warning to Pearl Harbor. Yamanada, hearing the signals, orders the airlines jammed, and then sends his son into the air to sink the sub. The attack fails, after the sub makes a crash dive, but they fail in their warning attempts. The next morning, December 7th, the men on the sub hear the story of the bombing of Pearl Harbor, and devise a desperate plan to sink the Japanese carrier by letting the carrier know their position. The carrier comes in search of the submarine.

Directed by
Lew Landers

Writing credits
Aubrey Wisberg

Cast (in credits order) complete, awaiting verification
John Howard .... Commander Chris Warren
Marguerite Chapman .... Sue Curry
Bruce Bennett .... 1st Officer Russell
Warren Ashe .... Bill Warren
Eileen O'Hearn .... Vera Lane
Nino Pipitone .... Captain Yamanada
Philip Ahn .... 1st Officer Kawakami
Larry Parks .... Sparksie
Rudy Robles .... Steward Seffi
Roger Clark .... Grant Duncan
Forrest Tucker .... Pulaski
Eddie Laughton .... Shannon
Stanley Brown .... Levy
John Shay .... Oleson
Gary Breckner .... Brick Brandon
rest of cast listed alphabetically:
Alma Carroll .... Marge (uncredited)
Luke Chan .... Hitoshi (uncredited)
Paul Fung .... Suguye (uncredited)
Chester Gan .... Yoshiwara (uncredited)
Roland Got .... Kenichi (uncredited)
John Holland .... Bryan (uncredited)
Allen Jung .... Bardo (uncredited)
Eddie Lee .... Takeo (uncredited)
George T. Lee .... Tsuruji (uncredited)
James B. Leong .... Toramatsu (uncredited)
Richard Loo .... Chauffeur Suji (uncredited)
Keye Luke .... Tesei (uncredited)
Lal Chand Mehra .... Disu (uncredited)
John Tyrrell .... Blake (uncredited)
Juan Varro .... Duke Kahola (uncredited)
Hans von Morhart .... Granz (uncredited)
George Walcott .... Hank (uncredited)
Beal Wong .... Hayaka (uncredited)
Bruce Wong .... Shinji (uncredited)

Runtime: 64 min
Country: USA
Language: English
Color: Black and White
Sound Mix: Mono
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