Dermot Mulroney photos, including production stills, premiere photos and other event photos, publicity photos, behind-the-scenes, and more. He may be middle aged, but he is FINE!! Dermot Mulroney's character walks into the kitchen, drops robes and waxes the main characters ASS! Excellent clear views of Dermot early in the film. Dermot Mulroney, Actor: My Best Friend's Wedding. Dermot Mulroney was born in Alexandria, Virginia, to Ellen and Michael Mulroney, a law professor at Villanova. Since being discovered at Northwestern University by a Hollywood talent agent 28 years ago, Mulroney has been seen in over 70 films.