According to the doc -- obtained by TMZ -- Hugh Anthony Dane died on May 16, 2018 at 10:56 PM at his home in L.A. Pancreatic cancer is listed as the cause of death. As we reported ... a nonprofit org Hugh was involved with announced his death, but it was unclear exactly how or when he died.

The death certificate also lists Hugh's occupation as an actor with 40 years experience in the entertainment industry. Besides his recurring role as Dunder Mifflin's Scranton branch enforcer ... Hugh also appeared on "The Fresh Prince of Bel-Air," "Martin," "Boy Meets World," "The West Wing" and "Friends."