John Francis Daley, American actor and screenwriter

John Francis Daley is an American filmmaker and actor. He is best known for playing high school freshman Sam Weir on the NBC comedy-drama Freaks and Geeks and FBI criminal profiler Dr. Lance Sweets on the crime drama series Bones, for which he was nominated for a 2014 PRISM Award. He plays keyboards and sings for the band Dayplayer.