Factual error: Due to the extensive use of borrowed footage from the WWII film "The Enemy Below," the 1970s crew of the renegade sub (who are not German and who wore civilian clothes in most shots) suddenly acquire 1940s German U-boat caps and uniforms. (00:30:00)
Voyage to the Bottom of the Sea (1964)
1 factual error in Killers of the Deep - chronological order
Starring: Richard Basehart, David Hedison, Del Monroe, Robert Dowdell
Continuity mistake: Interior shots of the flying sub sows the sub rocking violently but exterior shots show the sub lying still on the sea floor.