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 Marcia Gay Harden Rebecca Halliday Guest Star Hope Davis Nina Howard Guest Star Stephen Root General Stomtonovich Guest Star Hamish Linklater Jerry Dantana Guest Star Grace Gummer Hallie Shea Guest Star Constance Zimmer Taylor Warren Guest Star Chris Chalk Gary Cooper Guest Star Melanie Papalia Aubrey Lyons Guest Star Patrick Fabian Tony Hart Guest Star Merle Dandridge Maria Guerrero Guest Star Margaret Judson Tess Westin Guest Star John F. Carpenter Herb Wilson Guest Star Charlie Weirauch Jake Watson Guest Star Trieu Tran Joey Phan Guest Star Walter Gray IV Devon Guest Star Drew Wicks Randall Dell Guest Star Cherie Jimenez Chelsea Guest Star Nick Gehlfuss Ross Kessler Guest Star Marque Richardson Mark Gage Guest Star Andy Wagner Ken Weinraub Guest Star Carrie Malabre Waitress Guest Star Francisco Rodríguez Crew Member Guest Star Daniel Hall Man in Bar Guest Star Alan Poul Executive Producer Scott Rudin Executive Producer