Credits

• 2021 · The Center Seat: 55 Years of Star Trek as Self
• 2019 · That Guy... Who Was In That Thing 3: Trek Stars as Self
• 2019 · The Silent Natural as Mr. Beagle
• 2018 · The Mule as Tim Kennedy
• 2017 · A Christmas in New York as Bob Burgess
• 2017 · Get Out as Roman Armitage
• 2015 · Star Trek: Renegades as Admiral Owen Paris
• 2011 · Shameless as Gerald
• 2010 · Hawaii Five-0 as Old Milton
• 2010 · Rizzoli & Isles as Patrick Doyle, Sr.
• 2007 · Dog Days of Summer as Frank Cooper
• 2007 · The Anna Nicole Smith Story as J. Howard Marshall
• 2005 · The Cabinet of Dr. Caligari as Commissioner Hans Raab
• 2005 · Ghost Whisperer as Stephen Devine
• 2004 · Desperate Housewives as Harry Gaunt
• 2003 · Roddenberry on Patrol as Captain Kirkus
• 2003 · Cold Case as Gene Karnow (2008)
• 2003 · The O.C. as Uncle Shaun
• 2002 · Everwood as Herb Roberts
• 2000 · Joseph: King of Dreams as Jacob (voice)
• 2000 · The District as Sam SheridanAndi
• 1999 · Family Law as Judge Neil Walker
• 1999 · A Fare to Remember as Mr. Jennings
• 1998 · I Married a Monster as Dr. Paul Drummond
• 1998 · The Survivor as Bradford
• 1997 · Midnight in the Garden of Good and Evil as Henry Skerridge
• 1997 · Buffy the Vampire Slayer as Dr. Stanley Backer
• 1997 · Journey of the Heart as Principal Martin
• 1996 · Yesterday's Target as Aaron Winfield
• 1996 · Sgt. Bilko as Gen Tennyson
• 1996 · Pacific Blue as Ethan Callaway
• 1996 · A Case for Life as Bud Cromwell
• 1995 · JAG as Charlie Hoskins
• 1995 · Caroline in the City as Barney Baxter
• 1995 · The Secretary as Chuck Bosnell
• 1995 · Star Trek: Voyager as Adm. Owen Paris
• 1994 · Cosmic Slop as Cardinal (segment 'The First Commandment')
• 1994 · ER as Dr. Murphy
• 1994 · Winnetka Road as Mike
• 1993 · Diagnosis: Murder as Archie Mullen
• 1993 · seaQuest DSV as Admiral Noyce
• 1993 · seaQuest DSV as Secretary General Noyce
• 1993 · The Adventures of Brisco County, Jr. as President Cleveland
• 1993 · Walker, Texas Ranger as General Garrity
• 1993 · The Judas Project as Arthur Cunningham
• 1993 · Dr. Quinn, Medicine Woman as
• 1992 · Majority Rule as Rep. Harold Reynolds
• 1992 · Renegade as Sheriff Frank Brown
• 1992 · Seduction: Three Tales from the 'Inner Sanctum' as Charles Hackley
• 1990 · The Great Los Angeles Earthquake as Ray Goodrich
• 1990 · Corporate Affairs as Cyrus Kinkaid
• 1990 · Camp Cucamonga as Thornton Bradley
• 1990 · Fall From Grace as Richard Dortch
• 1989 · Nashville Beat as Chief Kincaid
• 1989 · Mancuso, F.B.I. as
• 1989 · Seinfeld as Wilhelm
• 1989 · Tales from the Crypt as Phil Stone
• 1989 · Quantum Leap as Moe Stein
• 1989 · Quantum Leap as Ziggy Ziganovich / Moe Stein
• 1989 · Gleaming the Cube as Ed Lawndale
• 1988 · My First Love as Chet Townsend
• 1988 · Favorite Son as
• 1987 · Planes, Trains and Automobiles as Walt
• 1987 · Star Trek: The Next Generation as L'Kor
• 1987 · Jake and the Fatman as
• 1987 · Beauty and the Beast as
• 1986 · Matlock as
• 1985 · The Golden Girls as Ernie
• 1985 · Summer Rental as Angus MacLachlan
• 1984 · Trancers as Chairman Spencer
• 1984 · Murder, She Wrote as Arnett Cobb
• 1984 · Murder, She Wrote as Harvey McKittrick
• 1983 · Deal of the Century as Lyle
• 1983 · Scarecrow and Mrs. King as Jake Williamson
• 1983 · Hardcastle and McCormick as Arthur Huntley / Lonnie Vanatta
• 1983 · V as John
• 1983 · Ｖ as John
• 1983 · The A-Team as Jonathan Durcell
• 1982 · Farrell: For the People as Randolph Gardner
• 1982 · Knight Rider as Lyle Jastrow
• 1982 · Matt Houston as
• 1982 · T. J. Hooker as Captain Dennis Sheridan
• 1981 · Falcon Crest as Calvin Kleeger
• 1981 · Simon & Simon as
• 1981 · Lovely But Deadly as Charley Gilmarten
• 1981 · The Greatest American Hero as
• 1981 · Elvis and the Beauty Queen as Sanford Thompson
• 1981 · Hill Street Blues as Mike
• 1980 · Fighting Back: The Story of Rocky Bleier as Chuck Knoll
• 1980 · Enola Gay: The Men, the Mission, the Atomic Bomb as Gen. Groves
• 1980 · Private Benjamin as General Foley
• 1980 · Schizoid as Donahue
• 1980 · Wolf Lake as George
• 1979 · Knots Landing as Dr. Aaron Stahl
• 1979 · Marciano as John Furst
• 1979 · Hart to Hart as
• 1979 · The Onion Field as Beat Cop
• 1979 · Ike as Gen. Omar N. Bradley
• 1979 · The China Syndrome as Evan McCormack
• 1978 · Terror Out of the Sky as Col. Mangus
• 1978 · Kate Bliss and the Ticker Tape Kid as Donovan
• 1978 · F.I.S.T. as Mike Monahan
• 1978 · Dallas as John Mackey
• 1978 · Dr. Scorpion as Bill Worthington
• 1977 · The Hunted Lady as Capt. Wilson
• 1977 · I Never Promised You a Rose Garden as Dr. Halle
• 1977 · Eight Is Enough as
• 1976 · All the President's Men as James W. McCord, Jr.
• 1975 · Starsky & Hutch as
• 1974 · The Rockford Files as Cliff Gladish
• 1973 · Kojak as Bob
• 1973 · Pueblo as Lt. Cmdr. C. Clark
• 1972 · The Streets of San Francisco as Greene
• 1972 · M*A*S*H as
• 1971 · Libertad para la juventud as
• 1970 · Hercules in New York as Television Presenter