Credits

• 2025 · The Gettysburg Address as Daniel Webster (voice)
• 2019 · Prairie Dog Manor as Narrator
• 2019 · Prairie Dog Manor as Narrator
• 2018 · The Mayo Clinic as William Worrall Mayo
• 2017 · Walden as Henry David Thoreau
• 2015 · The Keepers of the Streak as Narration
• 2011 · Prohibition as Reader (voice)
• 2011 · Person of Interest as George Massey
• 2009 · The Good Wife as Jonas Stern
• 2008 · Life on Mars as Donovan Stamp
• 2007 · The Bronx Is Burning as Gabe Paul
• 2007 · American Loser as Bert
• 2007 · The Black Donnellys as Jenny's Pop
• 2006 · Invincible as Frank Papale
• 2004 · Unforgivable Blackness: The Rise and Fall of Jack Johnson as Other Voices (voice)
• 2003 · Mystic River as Theo (uncredited)
• 2003 · Gods and Generals as Sgt. Buster Kilrain
• 2002 · Mark Twain as Mark Twain (voice)
• 2002 · Mark Twain as Mark Twain (voice)
• 2001 · Black Knight as King Leo
• 2001 · Law & Order: Criminal Intent as Frank McNare
• 2001 · Law & Order: Criminal Intent as Jackie Dooley
• 2000 · Thirteen Days as Gen. Curtis LeMay
• 2000 · Dark Angel as Operative at Warehouse
• 2000 · Sally Hemings: An American Scandal as Thomas Paine
• 2000 · Sally Hemings: An American Scandal as Thomas Paine
• 2000 · Two Family House as Jim O'Neary
• 1999 · The Confession as Mel Duden
• 1998 · Mercury Rising as Lomax
• 1997 · Lewis & Clark - The Journey of the Corps of Discovery as Patrick Gass
• 1997 · Oz as Seamus O'Reilly
• 1996 · Calm at Sunset as Kelley Dobbs
• 1996 · Lawnmower Man 2: Beyond Cyberspace as Jonathan Walker
• 1995 · Streets of Laredo as Mox Mox
• 1995 · New York News as
• 1995 · JAG as Willie Meizer / Roscoe Martin
• 1995 · The Outer Limits as The Control Voice (voice) (uncredited)
• 1995 · The Quick and the Dead as Eugene Dred
• 1994 · The Whipping Boy as Hold-Your-Nose-Billy
• 1993 · Gettysburg as Sergeant Buster Kilrain
• 1993 · Homicide: Life on the Street as
• 1992 · Jennifer Eight as Chief Citrine
• 1992 · Breaking the Silence as DA Jack Hastings
• 1991 · Rambling Rose as Dr. Martinson
• 1991 · One Good Cop as Lt. Danny Quinn
• 1990 · When Will I Be Loved? as Jerry Howard
• 1990 · Law & Order as Detective John Flynn
• 1988 · Homeboy as Grazziano
• 1988 · Funny Farm as Crum Petree (uncredited)
• 1988 · Jesse as Ken Brand
• 1987 · Star Trek: The Next Generation as Kahless
• 1987 · The Sun and the Moon as
• 1985 · The Equalizer as John Allenwaite
• 1984 · Attack on Fear as Richard Ofshe
• 1984 · Miami Vice as Commander Fox
• 1984 · Flashpoint as Brook
• 1984 · Something About Amelia as Dr. Kevin Farley
• 1983 · Rage of Angels as Ken Bailey
• 1983 · Rage of Angels as Ken Bailey
• 1982 · The Elephant Man as Frederick Treves
• 1981 · The Funhouse as The Barker
• 1980 · The Lathe of Heaven as Dr. William Haber
• 1979 · The Scarlet Letter as Roger Chillingworth
• 1978 · Paradise Alley as Stitch
• 1978 · F.I.S.T. as Vince Doyle
• 1977 · The Deadliest Season as George Graff
• 1977 · Johnny, We Hardly Knew Ye as David F. Powers
• 1977 · The Gardener's Son as James Gregg
• 1973 · Mr. Inside/Mr. Outside as Fence #1
• 1973 · Shamus as The Kid
• 1972 · Portnoy's Complaint as Smolka
• 1972 · Slaughterhouse-Five as Weary
• 1971 · Believe in Me as Clancy
• 1971 · Hogan's Goat as Peter Boyle
• 1971 · Great Performances as Peter Boyle
• 1970 · A World Apart as
• 1951 · Hallmark Hall of Fame as Kelly Dobbs