| Year |
Title |
Role |
Notes |
| 1975 |
Beacon Hill |
Richard Palmer |
11 episodes |
| Valley Forge |
Folsom |
Television film |
| 1976 |
Eleanor and Franklin |
Franklin D. Roosevelt (age 20–50) |
TV miniseries; 2 episodes |
| 1977 |
Eleanor and Franklin: The White House Years |
Television film |
| A Love Affair: The Eleanor and Lou Gehrig Story |
Lou Gehrig |
| 1979 |
Portrait of a Stripper |
Frank Andrews |
| Freedom Road |
Stephen Holms |
| 3 by Cheever |
Kip Lawton |
TV miniseries
2 episodes |
| 1980 |
M*A*S*H |
Captain Steven J. Newsome |
Episode: "Heal Thyself" |
| 1981 |
The Private History of a Campaign That Failed |
The Stranger |
Television film |
| Dear Liar |
George Bernard Shaw |
| 1982 |
The Electric Grandmother |
Father |
| The Gift of Life |
Dr. Quinn |
| 1983 |
Freedom to Speak |
Reader |
TV miniseries; 4 episodes |
| Memorial Day |
Ned Larwin |
Television film |
| 1984–1986 |
St. Elsewhere |
Father Joseph McCabe |
4 episodes |
| 1984–1991 |
American Playhouse |
Alger Hiss English Professor |
Episodes: "Concealed Enemies" (4) "The End of a Sentence"[1] |
| 1986 |
Murrow |
Fred Friendly |
Television film |
| 1987–1989 |
The Lawrenceville Stories |
The Headmaster |
TV miniseries; 3 episodes |
| 1987 |
Alfred Hitchcock Presents |
Dr. Maxwell Stoddard / Litton |
Episode: "The Mole" |
| 1988 |
Hothouse |
Woods |
Episode: "The Actress" |
| 1990 |
So Proudly We Hail |
James Wagner |
Television film |
| 1991 |
The General Motors Playwrights Theater |
Ben Cunningham |
Episode: "The Last Act Is a Solo" |
| Sweet Poison |
Henry |
Television film |
| Fire in the Dark |
Robert |
| 1993 |
A Foreign Field |
Ralph |
| 1994 |
Don't Drink the Water |
Mr. Kilroy |
| 1995 |
The Face on the Milk Carton |
Frank Jessmon |
| Here Come the Munsters |
Herman Munster |
| Wings |
Y.M. Burg |
Episode: "So Long, Frank Lloyd Wrong" |
| 1995–2009 |
Law & Order |
Drew Seely Mr. Mosbeck Frederic Matson |
3 episodes |
| 1996 |
Soul of the Game |
Branch Rickey |
Television film |
| A Season in Purgatory |
Dr. Shugrue |
TV miniseries; 2 episodes |
| What Love Sees |
Morton Treadway |
Television film |
| Homicide: Life on the Street |
Thomas Pandolfi |
Episode: "M.E., Myself and I" |
| Doomsday Virus |
President |
TV miniseries; 2 episodes |
| 1997–2001 |
The Practice |
Anderson Pearson |
10 episodes |
| 1997 |
Biography |
The Narrator |
Episode: "F. Scott Fitzgerald: The Great American Dreamer" |
| Liberty! The American Revolution |
TV miniseries; 6 episodes |
| The Fifties |
TV miniseries documentary; 7 episodes |
| 1998 |
Frank Lloyd Wright |
Documentary television film |
| Saint Maybe |
Doug Bedloe |
Television film |
| 1998–2000 |
Nova |
The Narrator |
Documentary series
7 episodes |
| 1999 |
Atomic Train |
President Fellwick |
TV miniseries; 2 episodes |
| Vendetta |
District Attorney Luzenberg |
Television film |
| The Korean War: Fire and Ice |
The Narrator |
TV miniseries documentary |
| Niagara: A History of the Falls |
Documentary television film |
| 1999–2002 |
Save Our History |
Host / The Narrator |
Documentary series; 4 episodes |
| 1999–2005 |
History's Lost & Found |
The Narrator |
Documentary series; 65 episodes |
| 2000 |
Horror in the East |
Documentary television film |
| Battle History of the U.S. Navy |
TV miniseries documentary; 4 episodes |
| Founding Fathers |
| 2000–2003 |
Oz |
Harrison Beecher |
6 episodes |
| 2000–2007 |
Gilmore Girls |
Richard Gilmore |
86 episodes |
| 2001 |
James Dean |
Raymond Massey |
Television film |
| In Search of Christmas |
Host / The Narrator |
| 2002 |
Antarctica: A Frozen History |
The Narrator |
Documentary television film |
| Founding Brothers |
| First Mothers |
The World Trade Center: Rise and Fall of an American Icon |
| Rise and Fall of the Spartans |
TV miniseries; 4 episodes |
| 2003 |
The Louisiana Purchase |
Documentary television film |
| Crossing Jordan |
Captain Thomas Malden |
Episode: "Pandora's Trunk: Part 2" |
| Teddy Roosevelt: An American Lion |
The Narrator |
Documentary television film |
| Modern Marvels |
Documentary series
Episode: "4x4" |
| Mavericks, Miracles and Medicine |
TV miniseries documentary
4 episodes |
| Russia, Land of the Tsars |
| Nostradamus: 500 Years Later |
Documentary television film |
| The Day They Died |
| The Samurai |
| Stalin: Man of Steel |
| 2004 |
Isaac's Storm |
| First Invasion: The War of 1812 |
| Countdown to Armageddon |
| 2005 |
Beyond the Da Vinci Code |
| The Presidents |
Documentary series
8 episodes |
| The French Revolution |
Documentary television film |
| FDR: A Presidency Revealed |
| Giganto: The Real King Kong |
| Decoding the Past |
Episode: "Mysteries of the Bermuda Triangle" |
| Tom Goes to the Mayor |
Benjamin Kaplan (voice) |
Episode: "Porcelain Birds" |
| The Templar Code: Crusade of Secrecy |
The Narrator |
Documentary television film |
| UFO Files |
Episode: "Beyond the War of the Worlds" |
| Bible Battles |
Television special documentary |
| 2006 |
The Ten Commandments |
TV miniseries
2 episodes |
| Titanic's Final Moments: Missing Pieces |
Documentary television film |
| Violent Earth: New England's Killer Hurricane |
| Mayan Doomsday Prophecy |
Desperate Crossing: The True Story of the Mayflower |
| Eighty Acres of Hell |
| 2007 |
Banned from the Bible II |
| The States |
10 episodes |
| Titanic's Achilles Heel |
Documentary television film |
| The Revolution |
Documentary series
4 episodes |
| Columbus: The Lost Voyage |
Documentary television film |
| Grey's Anatomy |
Dr. Norman Shales |
3 episodes |
| Andrew Jackson |
The Narrator |
Documentary television film |
| How the Earth Was Made |
Documentary television special |
| 2008 |
30 Rock |
Walter |
Episode: "210" |
| 2009 |
Hatching Pete |
Principal Fred Daly |
Television film |
| 2010 |
Hold at All Costs: The Story of the Battle of Outpost Harry |
The Narrator |
Documentary television film |
| 2010–2013 |
The Good Wife |
Lionel Deerfield |
6 episodes |
| 2011 |
Better with You |
Judge |
Episode: "Better with the Baby" |
| A Christmas Wish |
Les McCallum |
Television film |
| Drop Dead Diva |
Reverend Phillips |
Episode: "Ah, Men" |
| The Christmas Pageant |
Garrett Clark |
Television film |
| Wonder Woman |
Senator Warren |
Unaired television pilot |
| 2012 |
Harry's Law |
Judge Lester Babcock |
3 episodes |
| 2012–2016 |
American Dad! |
Old Man / Councilman |
Voice; 2 episodes |
| 2013 |
CSI: Crime Scene Investigation |
Mr. Vogel |
Episode: "In Vino Veritas" |
| How I Met Your Mother |
Reverend Lowell |
Episode: "Knight Vision" |
| 2014 |
Black Box |
Dr. Reynaud |
2 episodes |
| The Roosevelts: An Intimate History |
Franklin D. Roosevelt (voice) |
7 episodes |
| 2015 |
Perception |
Jack Pierce |
Episode: "Brainstorm" |
| Cancer: The Emperor of All Maladies |
The Narrator |
3 episodes |