Richard McKenzie (actor) television guest star appearance on the TV drama "Doctors' Hospital" in 1975 as Dr. Williams. Throughout the 1970s, McKenzie would make guest appearances on many television shows. His most famous guest appearances on the 70's were on the television sitcoms "Three's Company" in 1978 as Chef Anton, "All in the Family" in two episodes between 1978–1979 as Archie Bunker's younger brother Alfred "Fred" Bunker, (he would later revise this role on an episode of All in the Family ' s spinoff sitcom Archie Bunker's Place in 1982), and on two episodes of "Carter County" between 1978–1979 as Dr. Fenway. Throughout
The Sitcom Trials Canal Cafe Theatre, Finborough Theatre, Soho Theatre, Ealing Studios, The Green Room Club, and the Hen and Chickens Theatre. "The Sitcom Trials" debuted at the Gilded Balloon venue at the Edinburgh Fringe in 2001, with a show starring Miranda Hart, returning in 2002 & 2004. The first TV series was a Carlton production for ITV/HTV, broadcast live from Bristol over eight weeks in 2003. The first Hollywood "Sitcom Trials" took place in 2005. In 2008 the Sitcom Trials won the Fringe Report Award for Best Encourager of New Talent. In 2013 and 2016 The Sitcom Trials returned to the Gilded