walter matthau and jack lemmon and both of whom be sadly miss and prove once again that they be a team dedicate to their craft of bring hilarious moment to the screen . this film be just another example of this . this time out they play two brother in law who land on a ship a dance instructor on board . of course and their bos be a perfectionist and miserable person name gil godwin who just enjoy harass these boy . it hilarious how lemmon give a quick lesson in dance to matthau and how the latter dance a riotous rumba with the boat owner rue mclanahan . too bad that fellow dance instructor hal linden and donald oconnor be give so little to do but their part call for that . matthau fall for dyan cannon and on board with her fellow gold digging mother and the usual outrageous elaine stritch . unknown to them and matthau have no money either . the widower lemmon fall for gloria de haven and look lovely than ever . the film belongs to matthau and lemmon and will serve a a further tribute to their illustrious career .