The depiction of U-37 in this film is fictional. U-37 has no known sailings around Canada, or what was then still a Crown Colony, Newfoundland.The real U-37 was the second most successful boat of the war (U-48 having the highest score) and was eventually scuttled on 5th May 1945 at Horup Haff, Denmark despite the sinking depicted in this film.
read more facts...