Zachary Levi Pugh (/ˈzækəri ˈliːvaɪ ˈpjuː/; born September 29, 1980), known professionally as Zachary Levi, is an American actor, director, and singer. He is best known for his role as Chuck Bartowski in the series Chuck. He has also appeared in Less than Perfect, Alvin and the Chipmunks: The Squeakquel, Tangled, and Thor: The Dark World.