Richard Chamberlain
- Finding Julia
2019 Igor
- Nightmare Cinema
2018 Dr. Mirari
- The Black Ghiandola
2017 Creepy Oncologist
- Justice League: Gods and Monsters
2015 Highfather (voice)
- We Are the Hartmans
2012 Mr. Hartman
- Three Days of Hamlet
2012 Polonius
- The Perfect Family
2011 Monsignor Murphy
- ThunderCats
2011 Zigg (voice)
- Leverage
2008 Archie Leach
- I Now Pronounce You Chuck & Larry
2007 Councilman Banks
- Strength and Honour
2007 Denis O'Leary
- Chuck
2007 Adelbert De Smet
- Brothers and Sisters
2006 Jonathan Byrold
- Blackbeard
2006 Gouverneur Charles Eden
- Japan: Memoirs of a Secret Empire
2004 Narrator
- Desperate Housewives
2004 Glenn
- Hustle
2004 James Whittaker Wright III
- Japan: Memoirs of a Secret Empire
2004 Narrator
- Nip/Tuck
2003 Arthur Stiles
- Endangered Hawaiʻi
2000 Narrator
- The Pavilion
2000 Huddlestone
- Too Rich: The Secret Life of Doris Duke
1999 Bernard Lafferty
- Will & Grace
1998 Clyde
- River Made to Drown In
1997 Thaddeus MacKenzie
- The Lost Daughter
1997 Andrew McCracken
- All the Winters that Have Been
1997 Dane Corvin
- Bird of Prey
1996 Jonathan Griffith
- The Thorn Birds: The Missing Years
1996 Ralph de Bricassart
- The Drew Carey Show
1995 Maggie Wick
- Touched by an Angel
1994 Jack Clay / Everett Clay
- Ordeal in the Arctic
1993 Captain John Couch
- Aftermath: A Test of Love
1991 Ross Colburn
- Night of the Hunter
1991 Harry Powell
- The Astronomers
1991 Narrator
- Twin Peaks
1990 Bill Kennedy
- The Return of the Musketeers
1989 Aramis
- Island Son
1989 Producer
- The Bourne Identity
1988 Jason Bourne
- Casanova
1987 Giacomo Casanova
- Allan Quatermain and the Lost City of Gold
1986 Allan Quatermain
- Dream West
1986 John Charles Fremont
- King Solomon's Mines
1985 Allan Quatermain
- Wallenberg: A Hero's Story
1985 Raoul Wallenberg
- Cook & Peary: The Race to the Pole
1983 Frederick Cook
- The Thorn Birds
1983 Ralph de Bricassart
- Murder by Phone
1982 Nat Bridger
- Shogun
1980 John Blackthorne
- Shōgun
1980 Pilot-Major John Blackthorne / Anjin-san
- The Swarm
1978 Dr. Hubbard
- The Good Doctor
1978 Anton Chekhov / Various Roles
- Centennial
1978 Alexander McKeag
- The Man in the Iron Mask
1977 Louis XIV / Philippe
- The Last Wave
1977 David Burton
- The Slipper and the Rose
1976 Prince Edward
- The Count of Monte-Cristo
1975 Edmond Dantès
- The Christmas Messenger
1975 Christmas Messenger
- The Towering Inferno
1974 Simmons
- The Four Musketeers
1974 Aramis
- The Little Mermaid
1974 Narrator
- The Lady's Not for Burning
1974 Thomas Mendip
- F. Scott Fitzgerald and the Last of the Belles
1974 F. Scott Fitzgerald
- The Three Musketeers
1973 Aramis
- Lady Caroline Lamb
1972 George Gordon, Lord Byron
- The Woman I Love
1972 King Edward VIII
- The Music Lovers
1971 Pyotr Ilyich Tchaikovsky
- Great Performances
1971 Anton Chekhov
- Julius Caesar
1970 Octavius Caesar / Augustus
- Hamlet
1970 Hamlet
- The Madwoman of Chaillot
1969 The Reverend
- ITV Saturday Night Theatre
1969 Hamlet
- Petulia
1968 Dave Danner
- Hold On: It's The Dave Clark Five
1968 The Director
- The Portrait of a Lady
1968 Ralph Touchett
- Joy in the Morning
1965 Carl Brown
- Twilight of Honor
1963 David Mitchell
- A Thunder of Drums
1961 Lt. Porter
- Dr. Kildare
1961 Dr. James Kildare
- The Secret of the Purple Reef
1960 Dean Christopher
- Thriller
1960 Larry Carter
- Bourbon Street Beat
1959 Dale Wellington
- Mr. Lucky
1959 Alec
- The Deputy
1959 Jerry Kirk
- Gunsmoke
1955 Pete
- Alfred Hitchcock Presents
1955 Clay Pine
- Hallmark Hall of Fame
1951 Hamlet
- The Red Skelton Show
1951 Clarence Narrow
