故事讲述美国的一艘核动力潜艇鱼鲨号奉命开赴北极，寻找一卷苏俄人造卫星堕下的机密影片，但途中发生了一连串不可思议的意外，同时多国特务人员也混入其中勾心斗角。
Rock Hudson
Cdr. James Ferraday
Ernest Borgnine
Boris Vaslov
Patrick McGoohan
David Jones
Jim Brown
Capt. Leslie Anders
Tony Bill
Lt. Russell Walker
Alf Kjellin
Col. Ostrovsky
Gerald S. O'Loughlin
Lt. Cdr. Bob Raeburn
Ted Hartley
Lt. Jonathan Hansen
Murray Rose
Lt. George Mills
Michael T. Mikler
Lt. Courtney Cartwright
Joseph Bernard
Dr. Jack Benning
Jonathan Goldsmith
Russian Aide
Sherwood Price
Lt. Edgar Hackett
Lee Stanley
Lt. Mitgang
