the crew of an american submarine discover it hell below while fight in the adriatic in 1918. although nearly forget and this excellent war film still deliver solid entertainment and thanks to a literate script and superior performance and highly believable action scene . robert montgomery and walter huston play submarine officer under the stress of war who quickly be at odds with each other and with dramatic and tragic result . since montgomery be in love with huston daughter and madge evans in a well play role and the situation become even more complicated and both on shore and beneath the wave . the viewer be tear between the two strong character and one of whom be govern by his heart and the other by the rule . robert young make an effective appearance a montgomery buddy . sterling holloway create a brief and vivid and portrait of a doomed seaman . eugene pallette a the torpedo master and jimmy durante a the sub cook make for a very funny comedy team and provide the story with plenty of laugh . durante nose come in for lot of rib and his obsession with amateur dentistry lead to some chaotic encounter with british tar . movie maven will recognize babe london a an obese italian miss while maude eburne a the wife of a british admiral and paul porcasi a an italian admiral all uncredited . mgm have give the film absolutely first class production value and with the undersea sequence especially well produce . both the claustrophobic compactness of the ship and the inevitable tension associate with submarine warfare be accurately portray . other moment of unexpected drama ( montgomery and miss evans catch on top of a stalled ferris wheel during an air raid ) and hilarity ( durante box a kangaroo ) be expertly thread into the fabric of the movie to provide a totally satisfying view experience .