William Zabka . Born: 10/21/1965 in New York, USA Jump to Related Articles Photos Filmography Biography Filmography Actor (22) Where Hope Grows 2015 (Movie) Milton Malcolm (Actor) Psych 2014 (Tv Show) Actor How I Met Your Mother 2013 (Tv Show) Himself Robot Chicken 2013 (Tv Show) Voice Hot Tub Time Machine 2010 (Movie) Rick (Actor) Smiley Face 2007 (Movie) Prison Guard (Actor) Antibody 2002 - 2003 (TV Show) Actor Python 2000 (Movie) (Actor) Interceptor Force 1998 (Movie) Dave (Actor) Shootfighter 2: Kill or Be Killed! 1995 (Movie) (Actor) To the Ends of Time 1995 (Movie) Alexander (Actor) Shootfighter: Fight to the Death 1992 (Movie) Ruben (Actor) Protect and Surf 1988 - 1989 (TV Show) Actor A Tiger's Tale 1988 (Movie) Randy (Actor) Back to School 1986 (Movie) Chas (Actor) The Karate Kid Part II 1986 (Movie) Johnny--Cobras Member (Actor) Contract For Life: The S.A.D.D. Story 1984 - 1985 (TV Show) Actor Just One of the Guys 1985 (Movie) Greg (Actor) National Lampoon's European Vacation 1985 (Movie) Jack (Actor) The Karate Kid 1984 (Movie) Johnny (Actor) Dreams of Gold: The Mel Fisher Story (TV Show) Actor High Voltage (TV Show) Actor Producer (1) Most (The Bridge) 2002 (Movie) (Producer) Biography . Milestones 2003 Wrote and produced the short film "Most." 1984 Co-starred in "The Karate Kid."