"West Wing" Guest Stars Trivia Quiz

Answer: Karl Malden

Father Thomas Cavanaugh was Karl Malden's last role. With over 70 roles to his name, Malden was also a pitchman for a score of American Express ads. He was perhaps best known as Detective Lt. Mike Stone on "The Streets of San Francisco."

Answer: Edward James Olmos

Edward James Olmos played the troublesome Hispanic Supreme Court nominee Roberto Mendoza. Olmos is perhaps best known as Lieutenant Martin Castillo on "Miami Vice" or as Commander William Adama on "Battlestar Galactica."

Answer: John de Lancie

John de Lancie played the pollster Al Kiefer and sometime-lover of Joey Lucas. John de Lancie has over 150 roles to his credit and played Alastair MacQueen on the 1980s mini-series "The Thorn Birds," but is perhaps best known as Q on "Star Trek: The Next Generation."

Answer: John Amos

Amos appeared as Admiral Percy Fitzwallace in "The West Wing." He's also played the older Kunta Kinte (Toby) on "Roots" (1977) and Coach Sam Wilson on "In the House."

Answer: Christian Slater

Christian Slater appeared as Lt. Cmdr. Jack Reese in several episodes of "The West Wing" season 4. He's also appeared in several other quirky small parts including Malloy in "Interview with the Vampire," as Excelsior's communications officer on "Star Trek VI," and as the postulant Adso von Melk in "The Name of the Rose."

Answer: John Larroquette

John Larroquette appeared as White House Counsel Lionel Tribbey in season 2, one of many White House Counsels the show went through. He's perhaps best known as Dan Fielding on "Night Court" and also appeared as Maltz in "Star Trek III."

Answer: Adam Arkin

Adam Arkin appeared as the "traumatoligist" Stanley Keyworth in seasons 2 and 3. Perhaps best known as Dr. Aaron Shutt from "Chicago Hope," he's also appeared in the Aaron Sorkin show "The Newsroom," and as Adam on "Northern Exposure."

Answer: Paxton Whitehead

Paxton Whitehead appeared as Bernard Thatch in seasons 2 and 6. He's also appeared as Mr. Waltham on "Friends," Albert Dudley on "Marblehead Manor," and as Rev. Canon Chasuble in "The Importance of Being Earnest."

Answer: Glenn Close

Glenn Close appeared as Judge Evelyn Baker Lang (soon to be Chief Justice) in "The Supremes." Glenn Close is a seven time Oscar nominee for films like "Dangerous Liaisons," "Fatal Attraction" and "The Big Chill."

Answer: Mary-Louise Parker

Mary-Louise Parker appeared as Amy Garner. She was a political operative, representative of a women's political action committee, and one-time chief of staff to First Lady Abigail Bartlet, not to mention girlfriend of Josh Lyman.

Mary-Louise Parker has won Golden Globe awards for her roles in "Weeds," and "Angels in America."