With a naturalistic acting style, Marlon Brando portrayed Terry Malloy, an inarticulate, struggling, brutish hero and small-time, washed-up ex-boxer who took a regrettable fall in the ring.The flooding of the region after the completion of a dam construction project alludes to the purification and cleansing of the sins of the world by the Great Flood.The film""s poster of Brando leaning on his motorcycle (see below) remains a best-seller.Plot SynopsisThe slightly-dated, tame and quaint film begins with an opening title sequence, shown over a long, ground-level shot of an empty, open country road and its white median strip in a memorable, cinematographic moment.It came from a derelict, downed alien ship that contained thousands of eggs.Resourceful, self-reliant, hard-assed, feminist action heroine Lt.Ellen Ripley (unknown stage actress Sigourney Weaver in her first major film role) suspected the signal wasn""t an SOS but a warning signal.