Aaron Sorkin Creator, Executive Producer Jeff Daniels Will McAvoy Actor Emily Mortimer Mackenzie McHale Actor John Gallagher Jr. Jim Harper Actor Alison Pill Margaret Jordan Actor Thomas Sadoski Don Keefer Actor Olivia Munn Sloan Sabbith Actor Dev Patel Neal Sampat Actor Sam Waterston Charlie Skinner Actor Chris Messina Reese Lansing Guest Star Hope Davis Nina Howard Guest Star Kathryn Hahn Carrie Guest Star Jon Tenney Wade Campbell Guest Star Kelen Coleman Lisa Lambert Guest Star Natalie Morales Kaylee Guest Star Missy Yager Monica Guest Star Adina Porter Kendra James Guest Star Chris Chalk Gary Cooper Guest Star Jane Fonda Leona Lansing Guest Star Margaret Judson Tess Westin Guest Star Wynn Everett Tamara Hart Guest Star Thomas Matthews Martin Stallworth Guest Star John F. Carpenter Herb Wilson Guest Star Trieu Tran Joey Phan Guest Star Charlie Weirauch Jake Watson Guest Star Emily Wilson Shannon Bryer Guest Star Cynthia San Luis Paulita Maya Guest Star Don Bendz Tom Berkeley Guest Star Chuma Gault Assistant Director Guest Star Rene Gube Mike Guest Star Sarah Scott Davis Terry Smith Guest Star Alan Poul Executive Producer Scott Rudin Executive Producer