Genaro Molina/Los Angeles Times
J.K. Simmons on the set of the TNT show "The Closer" at Raleigh Studios in Hollywood. Simmons has starred in the movies "The Music Never Stopped," "Juno," "Extract," "Burn After Reading," and the Spider-Man movies. On the smaller screen, he has appeared in "Law and Order" and the HBO series "Oz." And in commercials he is the voice of the yellow M&M.