John Francis Daley (born July 20, 1985) is an American actor, screenwriter, film director, and musician. He is known for playing high school freshman Sam Weir on the NBC comedy-drama Freaks and Geeks and as FBI criminal profiler Dr. Lance Sweets on the series Bones, for which he was nominated for a 2014 PRISM Award. He plays keyboards and sings for the band Dayplayer. In 2011, Daley co-wrote the box office hit Horrible Bosses with his writing partner Jonathan M. Goldstein.
Daley was born in Wheeling, Illinois, to R.F. Daley, an actor, and Nancy Daley, a piano teacher. His father is of Irish Catholic background and his mother is Jewish. He grew up in Nyack, New York, where he played Danny in Nyack Middle School’s production of Grease.