A feature-length documentary was made about Cardiff's life and career, "" (2010) by Craig McCall. It took 17 years to make, and was not completed until after Cardiff had died. As well as many interviews with Cardiff, it included tributes from Sir John Mills, Martin Scorsese, Thelma Schoonmaker, Kathleen Byron, Kim Hunter, Moira Shearer, Lauren Bacall, Charlton Heston and Kirk Douglas. It was selected for the official selection of "Cannes Classics" at the Festival de Cannes in 2010, as well as four other important film festivals that year.