Robert Donner
Robert Donner (April 27, 1931 – June 8, 2006) was an American television and film actor. Early life and career. Donner was born in New York City and raised in New Jersey, Michigan and Texas. He spent four years in the United States Navy and was stationed in California. After he completed his military service, he settled in the Los Angeles area. Career. Donner's first role was an uncredited part in the 1959 John Wayne Western "Rio Bravo"; he also appeared in the sequels (which formed a loose trilogy), "El Dorado" and "Rio Lobo". He also appeared in  Chisum, "The Undefeated", and "The Man Who Shot Liberty Valance". His best-known television roles were as the ex-convict/informant T.J. on "Adam-12", Yancy Tucker on "The Waltons" and as Exidor on "Mork & Mindy". Personal life. Donner married producer/writer Jill Sherman in 1982. He died on June 8, 2006, of a cardiac arrhythmia.