Leon Gast is an American documentary film director, producer, cinematographer, and editor. His documentary When We Were Kings depicting the iconic heavyweight boxing match termed The Rumble in the Jungle between Muhammad Ali and George Foreman won the 1996 Academy Award for Documentary Feature and the Independent Spirit Award. Gast co-directed the 1977 documentary The Grateful Dead Movie with guitarist Jerry Garcia. The film captured the band's October 1974 five-night performance at the Winterland Ballroom in San Francisco. Gast also co-directed the 1983 film Hell's Angels Forever.