Humphrey Bogart heads a decent cast in this exciting compendium of tales of maritime courage and determination during WWII. Initially he serves under Raymond Massey ("Capt. Jarvis") on a tanker but when that falls foul of an U-boat, they find themselves stranded on a raft and left to the elements by it's particularly unpleasant Captain. Some while later, the team reunite to escort a convoy to Murmansk and encounter the same submarine and a deadly cat-and-mouse game ensues. It is bit too long, but Massey, Bogart alongside the always reliable Alan Hale manage to bang the drum successfully for th...