Dermot Mulroney (born October 31, 1963) is an American actor and musician.
Acting since the 1980s, he is known for his roles in the films Young Guns, Samantha, Where the Day Takes You, My Best Friend's Wedding, The Last Outlaw, About Schmidt, and August: Osage County.
Mulroney played the main antagonist of NBC's Crisis, Francis Gibson. His mother, Ellen, was a homemaker and amateur actress originally from Manchester, Iowa, and his father, Michael Mulroney, was a law professor (and amateur racecar driver) at Villanova University School of Law, originally from Elkader, Iowa.
In 1994 he starred with Mickey Rourke in The Last Outlaw, which has since become a cult classic among western genre fans.Mulroney also played the love interest of Madeleine Stowe in the western Bad Girls.He first gained critical acclaim in the film Longtime Companion, portraying a young man with HIV during the early days of the outbreak of the virus, who becomes the first of his group of friends to succumb to the disease.In 2005, he played a male escort alongside Debra Messing in The Wedding Date, and co-starred in the ensemble film The Family Stone, with Sarah Jessica Parker.He was also in the movie Abduction (2011) as Martin Price.Mulroney played Gavin Mitchell on the TV series, Friends.His character dated Rachel for one episode but they broke up when it became too complicated between them because of Ross.In 1993, he wrote the song "Someone Else's Used Guitar" for Peter Bogdanovich's The Thing Called Love, in which he also starred.Mulroney also had a cameo in the Joaquin Phoenix–directed video "Tired of Being Sorry" for Balthazar Getty's band Ringside.Mulroney also is credited as a song performer on the movie and for four other tunes, as well as acting in the movie.In 2007, Mulroney voiced Green Lantern Hal Jordan in the animated series The Batman in the season 5 episode "Ring Toss".