Peter Kastner (1 October 1943 – 18 September 2008) was a Canadian-born actor who achieved prominence as a disaffected youth in movies of the 1960s. His first leading role was in the 1964 Canadian film Nobody Waved Goodbye, which was a semi-improvised, documentary-style look at middle-class teenagers. He played an alienated young man, the son of a prosperous automobile dealer, who drifts into petty thievery.