Carmen Argenziano, an actor on Stargate SG-1, has died. He was 75. Argenziano’s rep confirmed his death to PEOPLE on Monday. In a Facebook post on Sunday, Event Horizon Talent announced the death of Argenziano, who worked as an actor for more than four decades.

“It is with a heavy heart and more sadness than anyone can realize right now that I announce the passing of client Carmen Argenziano at the age of 75,” the post begins. “His acting career began in the early 1970’s and included a turn in The Godfather, Part II."