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 Adina Porter Kendra James Guest Star Chris Chalk Gary Cooper 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 Cornell Womack Daniel Mendoza Guest Star Paul Willson Dr. Dwayne Sotter Guest Star Marshall Bell Ross Fernholm Guest Star Megan Park Gwen Valley Guest Star Norma Maldonado Housekeeper Guest Star Chasty Ballesteros Tea Guest Star Monika Smith Amy Guest Star Alexandra Rodríguez Corinne Guest Star Alan Poul Executive Producer Scott Rudin Executive Producer