Monte Markham
- Silent Life: The Story of the Lady in Black
2023 Dr. Mecker
- Out of Office
2022 Dr. Martin
- Butter
2022 Dr. Kaufman
- A Dark Foe
2021 Mr. Lorne
- Hero Mode
2021 Lyndon
- Acquitted by Faith
2020 Jack Cromer
- The 11th Green
2020 Nelson Rudd
- Edge of Isolation
2018 Ivan Polifer
- Reborn
2018 Doctor Hetch
- Get Married or Die
2018 Bill
- So She Might Live
2018 priest
- The Rift
2016 Dysart
- We Are Still Here
2015 Dave McCabe
- The Green Girl
2014 Himself
- Life Partners
2014 Ken
- Extraordinary Fidelity
2011 Narrator
- Fringe
2008 Dr. Blake West
- The History Channel Presents: The War of 1812
2004 Narrator
- History of the Royal Navy: Wooden Walls 1600-1805
2002 Director
- History of the Royal Navy
2002 Director
- Millennium Man
1999
- The Great Ships
1996 narrator
- Campus Cops
1996 Dean Pilkington
- Two Guys Talkin' About Girls
1995 Lester Glick
- Piranha
1995 J.R. Randolph
- Burke's Law
1994 Philip D'Arcy
- Diagnosis: Murder
1993 Sheriff Kelso
- Star Trek: Deep Space Nine
1993 Fullerton
- Grace Under Fire
1993 Travis Taylor
- Melrose Place
1992 John Parker
- Neon City
1991 Director
- Nikki and Alexander
1989 Bill Powers
- Baywatch: Panic at Malibu Pier
1989 Captain Don Thorpe
- Baywatch
1989 Director
- Judgement Day
1988 Sam
- Defense Play
1988 Director
- Hot Pursuit
1987 Bill Cronenberg
- Jake Speed
1986 Mr Winston
- Blacke's Magic
1986
- Counter Measures
1985 Gus
- The Golden Girls
1985 Clayton
- Master Ninja II
1984 CIA Head
- Murder, She Wrote
1984 Jimmy Haynes
- The Master
1984 CIA Head
- Finder of Lost Loves
1984 Galen Smith
- Off the Wall
1983 Gov. Paul Smith
- The A-Team
1983 Mason Harnett
- Hotline
1982 Kyle Durham
- Drop-Out Father
1982 Tony Malgrado
- Hotel
1982 Daniel Brunell
- Jack Holborn
1982 Trumpet
- Matt Houston
1982
- Separate Ways
1981 Cliff Johnson
- Simon & Simon
1981
- The Fall Guy
1981
- Bret Maverick
1981 Captain Dawkins
- The Ghosts of Buxley Hall
1980 Col. Joe Buxley
- Beyond Westworld
1980 Captain Mike Nicholson
- Hart to Hart
1979
- The Littlest Hobo
1979 Ray Caldwell
- Dallas
1978 Clint Ogden
- Airport '77
1977 Banker
- Relentless
1977 Paul Vickers
- The Love Boat
1977 Brad Wells
- The Hardy Boys / Nancy Drew Mysteries
1977 Jack Wall
- Eight Is Enough
1977
- Lucan
1977
- Midway
1976 Commander Max Leslie
- McNaughton's Daughter
1976 David Borman
- Quincy, M.E.
1976 Mr. Castle
- Hustling
1975 Orin Dietrich
- Ellery Queen: Too Many Suspects
1975 Tom McKell
- Medical Story
1975 Raphael Aldrich
- Ginger in the Morning
1974 Joe
- The Manhunter
1974
- The Six Million Dollar Man
1974 Barney Miller
- Police Woman
1974 Joey Marr / Carl Rossi
- The New Perry Mason
1973 Perry Mason
- Barnaby Jones
1973 Vince Barrett / Rick Hatfield
- One Is a Lonely Number
1972 Howard Carpenter
- The Astronaut
1972 Eddie Reese / Col. Brice Randolph
- Visions...
1972 Prof. Mark Lowell
- Death Takes a Holiday
1971 David Smith
- Cannon
1971
- Sarge
1971 Tom Flynn
- The Mary Tyler Moore Show
1970 John Corcoran
- The Young Rebels
1970
- Dan August
1970 Frank Devlin
- Guns of the Magnificent Seven
1969 Keno
- Hawaii Five-O
1969 Harry Kellem
- Medical Center
1969
- Love, American Style
1969 Steve
- Project X
1968 Gregory Gallea
- The Mod Squad
1968
- Hour of the Gun
1967 Tucson Sheriff Sherman McMasters
- The High Chaparral
1967 Dave Redman
- The Second Hundred Years
1967 Luke Carpenter / Ken Carpenter
- Mission: Impossible - Old Man Out
1966 Tosk
- Mission: Impossible
1966 Tosk
- The F.B.I.
1965 Thomas Waters
- Hogan's Heroes
1965
- The Virginian
1962 Boss Cooper
