Tom Ellis as Colin Glass on 'CIA' Credit: Mark Schafer/CBS Key Points CIA star Tom Ellis looks back on the season 1 finale of the latest crime drama from Dick Wolf. The episode, "Broken Glass," sees Ellis' CIA agent Colin Glass confronted with a perceived betrayal that "completely spins him out." Ellis tells Entertainment Weekly what he's looking forward to in season 2. Tom Ellis has a license to kill in his latest TV outing, CIA.