An Irish actor. He has over thirty screen credits to his name, most of them having cast him in villainous or antagonistic roles such as Death Wish 3, Never Say Never Again, Superman III and Tales From The Crypt. His role as Airk Thaughbaer in the 1988 fantasy Willow is one of the few heroic roles the burly, fair-haired Gavan has managed to get, as well as the dashing American officer Captain Leroy in Sharpe's Eagle.