The man best known as John Locke from Lost, Terry O’Quinn, will guest star in a two-episode arc of TNT’sFalling Skies when it returns for its second season this summer, EW has learned exclusively. He’ll appear in the drama’s last two episodes as a former history professor and mentor to Tom Mason (Noah Wyle).
O’Quinn last appeared on Hawaii Five-0.
For the uninitiated, Falling Skies takes place during the aftermath of an invasion by an alien military forces. Wyle’s character is a Boston history professor who uses his knowledge of military history to serve as second-in-command of a regiment of resistance fighters.