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 David Krumholtz Dr. Jack Habib Guest Star Terry Crews Lonny Church Guest Star Paul Schneider Brian Brenner Guest Star Stephen Henderson Solomon Hancock 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 Alison Becker Sandy Whiddles Guest Star Martin Moran Ezra Schneider Guest Star Chasty Ballesteros Tea Guest Star Reggie De Leon Karaoke Singer 1 Guest Star Yutopia Essex Karaoke Singer 2 Guest Star Alan Poul Executive Producer Scott Rudin Executive Producer