Mitchell died from ALS, which he was diagnosed with in 2018.

Mitchell died on Saturday, according to a statement from his family shared onX (formerly Twitter)andInstagram.

He is survived by his wife Susan and their two children.

Kenneth Mitchell speaks at the “Discovery Panel - Part 2” panel during the 17th annual official Star Trek convention at the Rio Hotel & Casino

Kenneth Mitchell.Gabe Ginsberg/Getty

Ken was widely known as an actor in many films and television shows.

Mitchell was diagnosed with ALS in 2018 and began using a wheelchair the following year.

He shared hisdiagnosis publicly with PEOPLE in 2020.