- Anglo-American Film Corporation
- (United Kingdom, 1940)(distribution controlled by, theatrical)
- United Artists
- (United States, 1940)(theatrical)
- Astra Paris Films
- (France, 1945)(theatrical)
- Státní Pujcovna Filmu
- (Czechoslovakia)(theatrical)
- Kino Video
- (United States, 2001)(DVD)
- Ministry of Economic Warfare
- (the Ministry of Economic Warfare, British National Films acknowledge with grateful thanks the co-operation of, without whose wholehearted assistance this picture could not have been made)
- Ministry of Information
- (the Ministry of Information, British National Films acknowledge with grateful thanks the co-operation of, without whose wholehearted assistance this picture could not have been made)
- The Admiralty
- (the Admiralty, British National Films acknowledge with grateful thanks the co-operation of, without whose wholehearted assistance this picture could not have been made)
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