Glenn Quinn

Glenn Martin Christopher Francis Quinn (28 May 1970 – 3 December 2002) was an Irish actor best known for his roles on the 1990s family sitcom Roseanne as Mark Healy and on the spin-off series Angel as the half-demon Allen Francis Doyle. Born in Dublin, Ireland, Quinn moved to the United States at the age of 18 with his mother and sisters. He began his acting career with television commercials for Pepsi and Ray-Ban. Quinn's other television appearances include recurring roles on Covington Cross and At Home with the Braithwaites. He also had roles in films such as Shout and Dr. Giggles. Quinn tragically passed away on 3 December 2002 at the age of 32.