Denis Colin Leary (born August 18, 1957) is an American actor, comedian, singer, writer and producer. Leary was the star and co-creator of Rescue Me. He has had starring roles in many films, including those of Captain George Stacy in Marc Webb's, The Amazing Spider-Man and Cleveland Browns head coach Vince Penn in Ivan Reitman's Draft Day. Leary also voiced the character of Francis in A Bug's Life and that of Diego in the Ice Age franchise.