Austin Taylor O'Brien (born May 11, 1981) is an American actor and photographer. He may be best known for playing the co-lead Danny Madigan in the Arnold Schwarzenegger-movie Last Action Hero, followed by his turn into romance as Nick Zsigmond in My Girl 2, a part in both The Lawnmower Man and its sequel, and as Josh Greene in the CBS drama Promised Land. He originally gained fame from a Circuit City commercial as a kid who, after finding out he'd saved money, says, "Cool" to the store's employee. O'Brien was born in Eugene, Oregon, to Valerie and Dan O'Brien. His elder sister is actress Amanda O'Brien and his younger brother is actor Trever O'Brien.