Main Cast:
* Kevin Spacey as Sam Rogers
* Paul Bettany as Will Emerson
* Jeremy Irons as John Tuld
* Zachary Quinto as Peter Sullivan
* Stanley Tucci as Eric Dale
* Demi Moore as Sarah Roberts
* Simon Baker as Seth Bregman
* Penn Badgley as Mark Baum
* Ashley Bell as Mary
Supporting Roles:
* Richard Schiff as T. J. Johnson
* Mary Beth Hurt as Connie
* Denis O'Hare as Greg Hess
* Michael Esper as David Salomon
* Nat Wolff as Seth Bregman (young)
Let me know if you'd like more details on any of the actors, such as their character's background or other films they've been in.