Guest Stars

Mark Hamill, Kathy Bates Join 'Big Bang Theory' Wedding Guest List

Former 'Bachelor' Star Nick Viall Landed Guest Role in ABC Comedy 'Speechless'

'Empire' Locks Down Eva Longoria as Season 3 Guest Star

20 Stars You Totally Forgot Popped Up on 'Law & Order: SVU'

12 Stars You Forgot Appeared on 'Buffy the Vampire Slayer'