National Lampoon's Christmas Vacation is a film that stars an actor known for playing Dr. Leonard Hofstadter in what CBS sitcom?
Johnny Galecki John Mark Galecki (born April 30, 1975) is an American actor. He is known for playing David Healy in the ABC sitcom "Roseanne" from 1992 to 1997 and Dr. Leonard Hofstadter in the CBS sitcom "The Big Bang Theory" since 2007. Galecki also appeared in the films "National Lampoon's Christmas Vacation" (1989), "Prancer" (1989), "Suicide Kings" (1997), "I Know What You Did Last Summer" (1997), "Bookies" (2003), and "In Time" (2011).
Andy Houts Andrew Laurence "Andy" Houts (June 23, 1965 – February 26, 1997) was an American actor. Houts began his career at Klasky-Csupo, working on "The Simpsons", "Rugrats" (where he wrote two episodes), "Duckman" and "Aaahh!!! Real Monsters" in numerous capacities (most commonly as a production coordinator and an actor). He also wrote one episode of "Rocko's Modern Life", and appeared on "The Drew Carey Show" and "Ellen" in small roles. Houts died in 1997 of a brain tumor before the new season of "Rugrats" began. The episode "" is dedicated to his memory. He was a gifted comic.