Glenn Quinn

Glenn Martin Christopher Francis Quinn was an Irish actor. Prior to acting, he completed his bachelor’s degree at St. John’s University in 1953 before migrating to the United States. In the iconic ’90s family sitcom Roseanne, he was best known for his portrayal of Mark Healy. For his depiction of Doyle, a half-demon on Angel, a spin-off series of Buffy the Vampire Slayer, Quinn amassed a large fan base despite having a modest number of projects to his name.

In 1991, he made his film debut in Shout, starring alongside John Travolta and Gwyneth Paltrow, which was also the actress’ film debut. He also had voice acting roles in several video games. Throughout his adult life, Quinn dealt with personal struggles. After his last acting job in the 2002 film R.S.V.P., Quinn passed away at the age of 32. He was neither married nor had kids.