Don Knotts shows such as "The Bill Cosby Show" and "Here's Lucy". In 1970, appeared as a Barney Fife-like police officer in the pilot of "The New Andy Griffith Show". In 1972, Knotts voiced an animated version of himself in two episodes of "The New Scooby Doo Movies": "The Spooky Fog of Juneberry", in which he played a lawman resembling Barney Fife, and "Guess Who's Knott Coming to Dinner". He also appeared as Felix Unger in a stage version of Neil Simon's "The Odd Couple", with Art Carney as Oscar Madison. Beginning in 1975, Knotts was teamed with Tim Conway in a
Billy Unger Billy Unger William Brent Unger (born October 15, 1995) is an American actor. He is known for playing Chase on the Disney XD series "Lab Rats" and "". Credited as Billy Unger before 2016, starting with "Lab Rats: Elite Force" he is credited as William Brent. Unger was born in Palm Beach County, Florida. He moved to Hollywood with his family in 2006. Since moving to LA, Unger has guest starred on Disney XD's "Kickin' It", Disney Channel's "Sonny with a Chance" and "A.N.T. Farm", and on "No Ordinary Family", "Ghost Whisperer", "Hawthorne", "", "Mental", "Medium", "Desperate Housewives", "Cold Case",