Harvey is a 1950 American comedy-drama film based on Mary Chase's 1944 play of the same name, directed by Henry Koster, and starring James Stewart and Josephine Hull. The story centers on a man whose best friend is a pooka named Harvey, a 6 ft 3+1⁄2 in (1.92 m) tall white invisible rabbit, and the ensuing debacle when the man's sister tries to have him committed to a sanatorium.