Claim: On the Road (film) is adapted from a cartoon drawn by Ralph Steadman.
Evidence: It is an adaptation of Jack Kerouac 's 1957 novel of the same name and stars an ensemble cast featuring Garrett Hedlund , Sam Riley , Kristen Stewart , Alice Braga , Amy Adams , Tom Sturridge , Danny Morgan , Elisabeth Moss , Kirsten Dunst , and Viggo Mortensen.