The Atomic Submarine
Spencer Gordon Bennet · 1959
The Atomic Submarine (1959) is a low-budget American sci-fi film following the USS Tigershark as it hunts an extraterrestrial underwater saucer near the North Pole. Directed by Spencer Gordon Bennet and written by Orville H. Hampton, it centres on a moral and tactical clash between a career submariner and a pacifist scientist, culminating in a biologically grounded alien threat and a technically inventive resolution. Shot in six days with stock footage and minimal sets, it prioritises conceptual cohesion over visual grandeur.