Alan Alda played Senator Arnold Vinick.
Alan Alda.
Alan Alda
Rob Lowe
False
Alan Alda
No Baldwin has played on 'The West Wing'! However, there is a character named Helen Baldwin on the show, with whom V.P. Hoynes has an affair.
Martin Sheen played President Bartlet.
Dan Manning has: Played Deputy in "The X Files" in 1993. Played Officer Larkin in "Terror in the Shadows" in 1995. Played Agent Elliott in "The West Wing" in 1999. Played Agent Banks in "The West Wing" in 1999. Played Asst. Medical Examiner in "The Wire" in 2002. Played Maj. John Harman in "Gods and Generals" in 2003. Played Provost McCleary in "Apology" in 2007. Played Dr. Dean in "Lovely Molly" in 2011. Played New Senator 2 in "Veep" in 2012.
Martin Sheen
Kim Webster has: Played Kim in "The West Wing" in 1999. Played Ginger in "The West Wing" in 1999. Played Miss Drake in "The Glass House" in 2001. Played Adina in "The Vortex" in 2009. Played Patricia in "Chagrin" in 2015.
Jimmy Smits
Donald Moffat