A fan of other Sorkin-works? Pondering where you know Miss Donnatella Moss from? Why Jeremy looks so daggum familiar? Here's a list of recurring actors and actresses who have appeared in multiple Sorkin projects.
Best Known As: Donnatella Moss, TWW
Also: Was the wardrobe lady, Monica Brazelton, in a first-season ep of SN called "The Six Southern Gentlemen of Tennessee".
Best Known As: Laurie the Call Girl on TWW
Also: Played Bobbi Bernstein, a lunatic lady who wasn't really so crazy, in a couple episodes of SN, and it turns out that she slept with Danny in Spain but he never called her.
Best Known As: Jeremy Goodwin, SN
Also: David in American President, someone in AFGM, someone in Bulworth
Best Known As: Casey McCall, SN
Also: Just had to throw this one in...He tended bar with Aaron Sorkin back in the earlier days...
Best Known As: POTUS Josiah Bartlet, Ph.D TWW
Also: Played chief of staff AJ in American President...definitely weird for someone who's used to TWW!
Best Known As: Gordon (The Evil One!) Gage BA, MA, JD (SN)
Also: Mark Godfrey, host of "Capitol Beat" (TWW)
Best Known As: Robin McCall, AmerPres
Also: Nancy McNally the National Security Advisor, TWW
Best Known As: Dana Whitaker, SN
Also: Ann Stark, Chief of Staff to Majority Leader, TWW
Best Known As: Beth Wade, AmerPres
Also: Holly the Nanny (SN), Eleanor Bartlet (TWW)
Best Known As: Elliot, SN
Also: The guy interviewing the Surgeon General in 2.15, TWW
Best Known As: Chris, SN
Also: Mark the Reporter, TWW
Best Known As: Al Kiefer, TWW
Also: Bert the CFO of CSC, SN
Best Known As: Calvin Tragar, SN
Also: Josh's friend at the FBI, TWW
Best Known As: Danny Concannon, TWW
Also: In the Play "A Few Good Men"
Best Known As: Josh Lyman, TWW
Also: In the Play "A Few Good Men" (As multiple people at various points in time)
Best Known As: White House Counsel Oliver Babbish
Also: Someone in Bullworth
Best Known As: Dave, SN
Also: Phil the reporter in TWW