From his screen debut in 1965 onward, Robert Donner has revelled in spooky, oddball roles of the street evangelist/undertaker/obsessive lawman variety. Most often spotted in Westerns, he has appeared in El Dorado (1967), The Undefeated (1969), Chisum (1970), High Plains Drifter (1973), The Man Who Loved Cat Dancing (1973), and The Last Hard Men (1975). On TV, he was regularly featured as Yancy Tucker on The Waltons (1972-1979) and Mayor Chamberlain Brown in Legend (1995). Donner's crowning series-TV achievement was as the zoned-out Exidor, leader of an invisible cult called the Friends of Venus, on the popular sitcom Mork & Mindy (1978-1982). Robert Donner is married to producer/writer Jill Sherman.