Austin Taylor O'Brien 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 CBS Drama Promised Land.
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.
He is married to Kristin Wurgler.