Claire Danes Carrie Mathison Actor, Producer Mandy Patinkin Saul Berenson Actor Morgan Spector Dante Allen Actor Elizabeth Marvel President Elizabeth Keane Actor Linus Roache David Wellington Actor Maury Sterling Max Piotrowski Actor Jake Weber Brett O'Keefe Actor Dylan Baker Sen. Sam Paley Guest Star Costa Ronin Yevgeny Gromov Guest Star Sandrine Holt Simone Martin Guest Star Ellen Adair Janet Bayne Guest Star Catherine Curtin Sandy Langmore Guest Star Peter Vack Clint Prower Guest Star Mackenzie Astin Bill Dunn Guest Star Merab Ninidze Mirov Guest Voice Thomas G. Waites Clayton Guest Star Howard Gordon Writer Alex Gansa Writer, Executive Producer Gideon Raff Writer Lesli Linka Glatter Director