Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Andreas Damm Romeo Guest Star Gerardo Celasco Tomas Koroa Guest Star Johnny Sparks Jared Wilkins Guest Star David Vadim Marko Jevtic Guest Star Faina Reinhardt Katya Rodchenko Guest Star Drew Hildebrand Henrik Lengfelder Guest Star Theodora Woolley Brooks Guest Star Nick Tarabay Devon Grice Guest Star Ryan Buggle Sebastian Wilkins Guest Star Cameron Pow Gerald Guest Star Raushanah Simmons Lila Rones Guest Star Debargo Sanyal Raju Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer David Slack Writer Sylvain White Director