Leonard Nimoy promises we'll learn all about William Bell's motivations on tonight's season two finale of Fringe on Fox. However he also assures us of something else... William Bell will be his finale role.
After having been seduced out of retirement by J.J. Abrams to play Spock Prime in the Star Trek reboot and William Bell in Fringe, the 79-year-old actor says it's time to call it quits.