Joseph Fiennes Mark Benford Actor John Cho Demetri Noh Actor Jack Davenport Lloyd Simcoe Actor Zachary Knighton Bryce Varley Actor Peyton List Nicole Kirby Actor Dominic Monaghan Simon Actor Brian F. O'Byrne Aaron Stark Actor Courtney B. Vance Stanford Wedeck Actor Sonya Walger Olivia Benford Actor Christine Woods Janis Hawk Actor Lee Thompson Young Al Gough Guest Star Barry Shabaka Henley Agent Shelly Vreede Guest Star Peter Coyote President Dave Segovia Guest Star Navi Rawat Maya Guest Star Amy Rosoff Marcie Turoff Guest Star Michelle Tuzee Broadcaster Guest Star Barbara Williams Vice President Joyce Clemente Guest Star Glynn Turman Senator Noland Guest Star Frank John Hughes Press Secretary Guest Star Emerson Brooks Connelly Guest Star Micole Mercurio Maureen Guest Star Michael O'Neill CIA Director Keller Guest Star Mel Rodriguez Oscar Obregon Guest Star Michael J. Silver Randy Guest Star Scott Kelly Galbreath Jim Guest Star Michael Cavanaugh SETI Chairman Warren Moore Guest Star Talia Balsam Surgeon General Anita Ralston Guest Star Omid Abtahi Ed Fiore Guest Star Mieko Hillman Renee Garrigos Guest Star Christopher Mack Little Boy - Renee's Son Guest Star Nilson de Macena Tae Kwon Do Instructor Guest Star David S. Goyer Executive Producer Brannon Braga Executive Producer Marc Guggenheim Executive Producer Jessika Goyer Executive Producer Vince Gerardis Executive Producer Ralph Vicinanza Executive Producer Barbara Nance Writer Dawn Prestwich Writer Nicole Yorkin Writer Michael Rymer Director