Glenn Martin Christopher Francis Quinn (28 May 1970 – 3 December 2002) was an Irish actor, best known for his portrayal of Mark Healy on the 1990s family sitcom Roseanne and his role as the half-demon Allen Francis Doyle on Angel, a spin-off series of Buffy the Vampire Slayer.
|Born||28 May 1970|
|Died||3 December 2002 32) (aged|
Los Angeles, California, U.S.
|Resting place||Forest Lawn Memorial Park|