When it comes to television shows, two-timing is a very good thing. Many actors "cheat" on their shows by appearing on others; they're talented and versatile enough to juggle comedies and dramas, serial-killer storylines and baby-mama drama, and campus high jinks and historically accurate costumes.
Click through this slideshow to see 17 "two-timing" actors who star on more than one show. — Kelly Woo, Yahoo! TV