Co-starred on stage in "A Moon for the Misbegotten", featuring Cherry Jones and Gabriel Byrne; earned Tony as Featured Actor in a Play
Founded Guernsey Repertory Theatre; left in 1957
Portrayed the coach of skaters training for the Olympics in "The Cutting Edge"
Starred as a maverick doctor who founded his own medical school in the Caribbean in the short-lived ABC series "Going to Extremes"
Starred in "A Life" at Broadway's Morosco Theatre; earned Tony nomination
Had recurring role of Mr. Big on the short-lived CBS spy series "Mr. and Mrs. Smith"
Played featured role of a Russian general in the epic "Nicholas and Alexandra"
Acted in the ill-fated remake of "The Scarlet Letter"
Portrayed British monarch George IV in the syndicated miniseries "Shaka Zulu"
Starred in one-person show, "Brief Lives," Hempstead Theatre Club, London; reprised show on Broadway in 1968
Appeared on Broadway in the one-person drama "Mr. Lincoln" at the Morosco Theater; reprised on NBC's "Hallmark Hall of Fame" the following year
Headlined TV production of "Brief Lives" (BBC)
Reteamed with Byrne as co-stars of the short-lived ABC sitcom "Madigan Men"
Starred in the title role of "Churchill", performed in L.A.
Was cast as Frank Buchanan on the short-lived "Life Begins"
Made his film debut in "Heroes of Telemark"
Made his London stage debut in "Back Home Revue", a benefit for the Red Cross performed by former prisoners of war
Was a series regular on the cult CBS drama "Beauty and the Beast", portraying the recluse who raised Vincent, the titular beast
Cast as Arthur Conan Doyle in the ABC biopic "Young Harry Houdini"
Cast as Mozart's father in the Oscar-winning "Amadeus"
Played Charles Dickens in "Dickens in London", a biographical drama aired on PBS' "Masterpiece Theater"
Starred in "Lock Up Your Daughters"
Starred in acclaimed TV special "The Caretaker"
Played recurring role of a Catholic priest on the award-winning CBS drama series "Pickett Fences"
Played King Balor in Guillermo del Toro's "Hellboy II: The Golden Army"
Had final role as Hallyne on HBO's "Game of Thrones"
Nabbed his breakout TV role on the miniseries "The Wars of the Roses"