www.facebook.com – Become a Fan! twitter.com – Follow Us! reeltv.sidereel.com – Get more news & buzz around the top TV shows online! The Big Bang Theory has cast Lance Barber to appear in an upcoming Season 5 episode as a former high school bully of Leonard’s. Transcript Big Bang Theory books a bully of a guest star. This is Rachel and I’ve got the details in today’s Big Bang Theory TV news. The Big Bang Theory has cast Lance Barber to appear in an upcoming episode as a former High school bully of Leonard’s. Barber is best known for starring with Lisa Kudrow in the short lived HBO series, The Comeback. He has also appeared in It’s Always Sunny in Philadelphia and the United States of Tara. That’s it for today’s BBT theory news – stay tuned for the latest news and gossip!