Peter Donat, an X-Files actor, died at age 90

NEW YORK – Peter Donat, the Canadian actor who played Agent Fox Mulder's father in "The X-Files" and starred in TV shows, movies and on stage, is dead. He was 90 years old.

His son, Caleb, told The Associated Press that his father died Monday of diabetes complications at his home in Point Reyes Station, California.

Donat has also starred in TV series such as "Murder, She Wrote," "Hawaii Five-O," "Hill Street Blues," and "The FBI." "Tucker: the man and his dream."

Pierre Collingwood Donat was born January 20, 1928 in Kentville, Nova Scotia. He changed his name to Peter while he was working in the United States.

David Duchovny, who played Agent Mulder, told The New York Times that Donat "had a gravitational ease as an performer and seemed to come from this generation that took art seriously but not too much.

"The X-Files" was launched from 1993 to 2002. Fox relaunched the series in 2016.

Donat was previously married to Emmy Award-winning actress Michael Learned, who played Olivia Walton in the CBS drama "The Waltons".