Greetings is a 1968 film directed by Brian De Palma. The film, which featured a young Robert De Niro in his first major role, is a satirical film about men avoiding the Vietnam War draft. It was the first film to receive an X rating, although it was later given an R rating. De Niro reprised the character of Jon Rubin in the 1970 film Hi, Mom! also directed by De Palma.