McNulty was born inΒ Penticton,Β British Columbia,Β Canada. He has acted on three aviation movies:Β Falling from the Sky: Flight 174Β withΒ William Devane,Final DescentΒ withΒ Robert UrichΒ andΒ Snakes on a PlaneΒ withΒ Samuel L. Jackson. He had a supporting role toΒ Roger MooreΒ andΒ Nancy AllenΒ inΒ Bill Condon'sThe Man Who Wouldn't DieΒ (1995). McNulty also appeared in the 2009 remake ofΒ The UninvitedΒ where he worked alongsideΒ A Series of Unfortunate Events'Β Emily Browning. He also played The Reverend Roy Le Grange in the "Supernatural" TV episode "Faith" Β