A British convoy is trying to elude a group of German U-Boats.
Unfortunately the movie Mystery Submarine is not yet available on HBO Max.
| Directing | C.M. Pennington-Richards | Director |
| Writing | Bertram Ostrer | Writer |
| Writing | Hugh Woodhouse | Writer |
| Production | Bertram Ostrer | Producer |
| Editing | Bill Lewthwaite | Editor |
| Camera | Stanley Pavey | Director of Photography |
| Sound | Clifton Parker | Original Music Composer |
| Art | Charles Bishop | Art Direction |
| Camera | Laurie Ridley | Still Photographer |
