Trevor Thomas (actor) "Fiddler on the Hoof", 1989) and "The Sweeney" ("The Bigger They Are", 1978). Trevor Thomas (actor) Trevor Thomas is a British actor. He acted mostly around the late 1970s mostly in television programmes, but also starred in the 1977 film "Black Joy", alongside Norman Beaton, as well as in stage productions. Thomas's other film credits include "Yesterday's Hero" (1979), "Inseminoid" (1981), "Sheena" (1984), "Underworld" (1985), "Playing Away" (1987) and "The Nine Lives of Tomas Katz" (2000). His television appearances include "" (1976), "The Fosters" ("Take Your Partners", 1977), "The Professionals" ("Klansmen", 1977), "Rockliffe's Babies" ("Sweet and Sour Revenge", 1987), "Silent
John Ritter series "The Waltons" from October 1972 to December 1976. Since he was not a weekly cast member, he had time to pursue other roles, which he did until December 1976, when he left for a starring role in the hit ABC sitcom "Three's Company" (the Americanized version of the 1970s British Thames Television series "Man About the House") in 1977. In 1978, Ritter played Ringo Starr's manager on the TV special "Ringo". In 1982, Ritter provided the voice of Peter Dickinson in "The Flight of Dragons". Ritter became a household name playing struggling culinary student Jack Tripper with two female