Dermot Patrick Mulroney (born October 31, 1963) is an American actor and musician. He is known for his roles in romantic comedy, western, and drama films. Mulroney is known for his work in various films such as Long Gone (1987), Young Guns (1988), Staying Together (1989), Where the Day Takes You (1992), Point of No Return (1993), The Last Outlaw (1993), Angels in the Outfield (1994), My Best Friend's Wedding (1997), About Schmidt (2002), The Wedding Date (2005), Zodiac (2007), August: Osage Cou
Did you know that Dermot Mulroney is such an accomplished cellist that he has played for film scores, including those for 'Mission: Impossible – Ghost Protocol' and 'Star Trek Into Darkness'?
While known for diverse roles, his performance as Michael O'Neal in the beloved romantic comedy 'My Best Friend's Wedding' (1997) remains a defining moment. His portrayal of the charming, somewhat oblivious groom caught between two women solidified his status as a leading man in the genre and showcased his ability to balance humor with genuine emotional depth.
Mulroney's legacy is defined by his versatility across genres, from romantic comedies to gritty dramas, consistently bringing a grounded sincerity to his characters. He is remembered as a reliable and understated presence, often elevating supporting roles and providing memorable performances as a leading man.
Also known as: D. Mulroney, Der Mulroney