The Late Show with Stephen Colbert Season 6 Episode 18 Allison Janney, Richard Schiff, Martin Sheen, Bradley Whitford, Aaron Sorkin ( Air Date 2020-10-09 ) Genre Comedy, Talk category. Overview "Stephen welcomes the stars and creator of “The West Wing”: Allison Janney, Richard Schiff, Martin Sheen, Bradley Whitford, and Aaron Sorkin.".