Actor Glenn Quinn Passes Away

Former "Roseanne" Star Dies at 32

Character Mark Healy Killed Off-Screen in Season 10 Revival

Actor Glenn Quinn, best known for his role as Mark Healy on the sitcom "Roseanne," has passed away at the age of 32. The Irish actor died on December 3, 2002, from a heroin overdose.

Quinn portrayed Mark on "Roseanne" from 1990 until 1997. The character was a close friend of Roseanne Conner's son, DJ. Mark was known for his laid-back personality and his love of music.

After leaving "Roseanne," Quinn went on to star in several other television shows and movies. He also worked as a musician and songwriter.

Quinn's death was a shock to his family, friends, and fans. His former "Roseanne" co-star, Roseanne Barr, released a statement expressing her condolences. "Glenn was a wonderful actor and a great friend," Barr said. "He will be deeply missed."

In the 10th season revival of "Roseanne," Mark Healy was killed off-screen. The character's death was a result of Quinn's passing.