Irish-born actor Glenn Quinn best known for his role as Becky's boyfriend Mark, in the popular sitcom Roseanne was found dead in his Hollywood home on December 3rd 2002.
Los Angeles police are awaiting results from a toxicology report, but say they suspect a drug overdose.
Quinn worked on the Roseanne show for seven years, an experience he described as "a phenomenal training ground." He also took a role on "Angel" during the 1999 premiere season.
He is survived by his mother and two sisters.