Comicbook.com reports that actor Peter Donat has died. Donat has starred as Fox Mulder's father in The X-Files.
He passed away on Monday in his home in Point Reyes Station California. According to his wife Maria Dejong Donat, he passed away from complications with diabetes.
X-Files fans will recognize Donat from his run as Fox Mulder's father William Mulder, appearing in six episodes of the show total. Despite the brief run, he made quite an impression.