13 Facts About Glenn Quinn

Glenn Martin Christopher Francis Quinn 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.

Glenn Martin Christopher Francis Quinn was born in Dublin on 28 May 1970, the son of Bernadette Quinn and Murty Quinn.

Glenn Quinn's father was a musician and singer with the Miami Showband, who had seven No 1 hits in the 1960s and 1970s.

Glenn Quinn was raised in the Cabinteely suburb of Dublin, and attended Clonkeen College.

Glenn Quinn had a third sibling whom he never met, his brother, Ciaran, who had been put up for adoption as a baby.

In 1990, Quinn did television commercials for Pepsi and Ray-Ban, appeared in the music video for the Richard Marx song "Satisfied", and had his first speaking line in the pilot of Beverly Hills, 90210 after having endured eight separate auditions for the roles of Brandon Walsh and Steve Sanders.

In 1991, Glenn Quinn had his first major film role in the musical film Shout, starring John Travolta and Heather Graham, sharing an on-screen kiss with Gwyneth Paltrow in her debut film.

In 1990, Glenn Quinn was cast as the recurring character Mark Healy, Becky Conner's boyfriend and later husband, in Roseanne in its third season and remained a series regular through its ninth and final season in 1997.

In 1992, while still on Roseanne, Glenn Quinn took a main role on the American and British TV series Covington Cross and in the same year, co-starred with Holly Marie Combs in the slasher film, Dr Giggles.

In 1999, after seven years of using an American accent on Roseanne, Glenn Quinn was pleased when producers cast him in the role of Allen Francis Doyle on the Buffy the Vampire Slayer spin-off series, Angel.

Glenn Quinn struggled with substance addiction in the time following Roseanne, a timeline confirmed by co-star Michael Fishman and Glenn Quinn's sister.

Glenn Quinn returned to Ireland in 1997 to be with his family, who supported him in achieving short periods of sobriety and spent time in a drug and alcohol rehabilitation center.

On 3 December 2002, at the age of 32, Glenn Quinn was found dead at a friend's home in North Hollywood, California, where he had been staying for a few months.