Will Penny is a 1968 American Western film written and directed by Tom Gries and starring Charlton Heston, Joan Hackett and Donald Pleasence. The picture was based upon an episode of the 1960 Sam Peckinpah television series The Westerner starring Brian Keith called "Line Camp," also written and directed by Tom Gries. Heston mentioned that this was his favorite film in which he appeared. The supporting cast features Ben Johnson, Bruce Dern, and Slim Pickens.

Joan Ann Hackett was an American actress of film, stage, and television. She starred in the 1968 western Will Penny. She was nominated for an Academy Award for Best Supporting Actress and won the Golden Globe Award for Best Supporting Actress for the 1981 film Only When I Laugh. She also starred as Christine Mannon in the 1978 PBS miniseries version of Mourning Becomes Electra.