Peter Donat

Pierre Collingwood Donat (January 20, 1928 – September 10, 2018), known as Peter Donat, was a Canadian actor. He was a co-founding company member of the American Conservatory Theater, and a frequent player at the Stratford Festival. He was also known to television audiences for his roles as Elmo Tyson on the primetime soap opera ''Flamingo Road'' (1981-82) and as William Mulder, the father of Fox Mulder, on ''The X-Files'' (1995-99). He won a Theatre World Award for ''The First Gentleman'' (1957), and was nominated for a Genie Award for Best Supporting Actor for ''The Bay Boy'' (1984). Provided by Wikipedia