ABOUT GLENN QUINN
Irish actor who is best known for his '90s role as Mark Healy in the television series Roseanne and died of a drug overdose in 2002.
He attempted a music career as the drummer for the band, Winter's Reign.
He had film roles in Dr. Giggles (1993) and Shout (1991).
He had two sisters.
He guest-starred in ten episodes of Angel in 1999 with David Boreanaz .
