What It Is: A dreamy adaptation of The Big Sleep updated to 1970s Hollywood, helmed by the inimitable Robert Altman.
Why It's Cool: Elliot Gould's insanely likeable (and immensely chilled-out) take on Phillip Marlowe defines the word "cool."
Sam Hill is an ardent cinephile and has been writing about film professionally since 2008. He harbours a particular fondness for western and sci-fi movies.