National Lampoon's Vacation, sometimes referred to as simply Vacation, is a 1983 American road trip black comedy directed by Harold Ramis starring Chevy Chase, Beverly D'Angelo, Imogene Coca, Randy Quaid, John Candy, and Christie Brinkley in her acting debut with special appearances by Eddie Bracken, Brian Doyle-Murray, Miriam Flynn, James Keach, Eugene Levy, and Frank McRae.

Harold Allen Ramis was an American actor, comedian, and filmmaker. His film acting roles include Egon Spengler in Ghostbusters (1984) and Ghostbusters II (1989), and as Russell Ziskey in Stripes (1981); he also co-wrote those films. As a director, his films include the comedies Caddyshack (1980), National Lampoon's Vacation (1983), Groundhog Day (1993), Analyze This (1999) and Analyze That (2002). Ramis was the original head writer of the television series SCTV, on which he also performed, as well as a co-writer of Groundhog Day and National Lampoon's Animal House (1978). The final film that he wrote, produced, directed, and acted in was Year One (2009).