lifeboat be an excellent film . it be a great achievement by alfred hitchcock that he could create a film set on only a lifeboat interesting for it duration . hitchcock have a knack for experimental film and such a rope and which seem to be one continuous shot and and rear window and which feature one small apartment and a man in a wheel chair . with so little and he be always able to do so much . in lifeboat and we start out with the sinking of a ship and people gather on the lifeboat . it really that simple . this be a character drive film . there be no lush chase sequence and there be no gunfight and there be no mystery . nope and it all about how this collection of character interact with each other . it a study of how difference of opinion can creat tension and and how people can deal with those tension . it really fascinating to watch and and when it all say and do and you get the impression that it wasn not just an experiment and but that it have something to say and and it do . the only slight flaw in the film be that we do not really get a sense of how long ( exactly ) they have be at sea . i cast away we saw tom hank lose a considerable amount of weight and grow a considerable amount of hair . well and that be the one thing you do not see with this movie . it really a minor quibble anyway because it doesn not diminish the entertainment value at all . hitchcock be the master of suspense and but he be never afraid to try other thing and from screwball comedy ( mr. and mrs. smith ) to psychological thriller ( vertigo ) . this film be definitely one of his best and most interesting experiment . positive .