2011
Mysteria as Senator Mitchell2011
After the Wizard as Charles Samuel Williams2010
His Name Was Jason: 30 Years of Friday the 13th as Self2009
The Desperate as Dr. Blumenthal2006
Vic as Paul Marcus2002
Poolhall Junkies as Phillip2001
4 Faces as Harlan Gregory / Carlo / Gerhardt / Daniel2000
Bruce Lee: A Warrior's Journey as Duke Paige (archive footage) (uncredited)1999
Batman Beyond as Winchell (voice)1998
Bruce Lee: The Intercepting Fist as Self1998
Gary Cooper: The Face of a Hero as Self1996
Superman: The Animated Series as Abin Sur / Guardian #1 (voice)1994
Spider-Man as Old Peter Parker / Old Spider-Man1992
Batman: The Animated Series as Charles Baxter (voice)1991
The Naked Gun 2½: The Smell of Fear as Dunwell1990
Beverly Hills, 90210 as Not available1989
Friday the 13th Part VIII: Jason Takes Manhattan as Charles McCulloch1988
Supercarrier as Not available1988
Bonanza: The Next Generation as Mr. Dunson1988
Judgement Day as Priest1987
Star Trek: The Next Generation as Ralph Offenhouse1986
Matlock as Not available1986
Defenders of the Earth as Not available1986
Defenders of the Earth: The Story Begins as Not available1984
Murder, She Wrote as Lamar Bennett1984
Crazy like a Fox as Dr. Donald Rafelman1984
Finder of Lost Loves as Frank Cunningham1984
Santa Barbara as C.C. Capwell1984
City Killer as Lieutenant Walling1983
Dempsey as Tex Rickard1982
T. J. Hooker as Not available1982
Knight Rider as Dr. Klaus Bergstrom1982
Knight Rider as Kleist1982
Hotel as Not available1981
Dynasty as Andrew Laird1980
Galactica 1980 as Colonel Briggs1980
Galactica 1980 as Col. Briggs1980
Conquest of the Earth as Col. Briggs1980
PSI Factor as Edgar Hamilton1979
Hart to Hart as Not available1979
Hart to Hart as Arthur Horton1979
B. J. and the Bear as Not available1979
240-Robert as Not available1979
Blind Ambition as Robert Mardian1979
In Search of Historic Jesus as God (voice)1978
Dallas as Maynard Anderson1978
Vega$ as Grady1978
Fantasy Island as Roy Burke1978
Sword of Justice as Not available1978
Greatest Heroes of the Bible as King Bera1978
The Islander as Lt. Larkin1977
Three's Company as Reverend Snow1977
The Incredible Hulk as Ellis Jordan1977
Dog and Cat as Not available1976
Quincy, M.E. as Not available1976
Charlie's Angels as Ken Atamien1976
The Bionic Woman as Not available1976
Mallory: Circumstantial Evidence as John Shields1975
Starsky & Hutch as Avery Schiller1975
Baretta as Not available1975
Switch as Saunders1975
Wonder Woman as Dr. Crippin1974
The Six Million Dollar Man as Dr. Walter Ellis1974
Petrocelli as Leo Roman1974
Get Christie Love! as Not available1974
Nightmare at 43 Hillcrest as Not available1973
Police Story as Not available1973
Hawkins as Paul Forbes1972
The Streets of San Francisco as Not available1972
Banacek as Andy Cole1972
Search as Not available1971
Cannon as Not available1971
Longstreet as Not available1971
Yuma as Maj. Lucas1970
McCloud as Not available1970
McCloud as Peter B. Clifford1970
The Silent Force as Walter Garland1970
House on Greenapple Road as Sal Gilman1969
My Friend Tony as Not available1968
Hawaii Five-O as Nick Morgan1968
Land of the Giants as Dr. Marad1968
The Name of the Game as Latimer1968
The Name of the Game as Robert Coates1968
Lancer as Carl Bolton1968
How to Steal the World as Mr. Webb1968
For Singles Only as Gerald Pryor1967
Ironside as Daryll Frazer1967
Ironside as Lou Parker1967
Mannix as Martin Emory1967
The Invaders as Tom Wiley1967
The Invaders as Andrew Hatcher1966
Mission: Impossible as Gen. Stefano Aragas1966
Mission: Impossible as Dr. Hargreaves1966
Felony Squad as Not available1966
Jericho as Not available1966
Blue Light as Not available1966
Agent for H.A.R.M. as Adam Chance1965
The F.B.I. as Maury Maddock1965
The F.B.I. as Hammond1965
The F.B.I. as John Parker1965
The F.B.I. as Vincent Preston Gray1965
The F.B.I. as Vince Manyan1965
The F.B.I. as Rudy Waldon1965
The F.B.I. as Johnny Sutton1965
The F.B.I. as William Braden1965
The Wild Wild West as Prince Gio1965
The Loner as Not available1965
Dark Intruder as Robert Vandenburg1964
Daniel Boone as Hawk1964
12 O'Clock High as Col. Kendal Hunter1964
Profiles in Courage as Rawlins1963
The Fugitive as Johnny1963
The Fugitive as Deputy Steel1963
The Outer Limits as Prof. Ian Fraser1963
The Outer Limits as Jefferson Rome1962
The Virginian as Johnny Madrid1962
The Virginian as Jack Wade1962
The Virginian as Al Keets1962
The Virginian as Wade1962
Combat! as Capt. Aptmeyer1962
Stoney Burke as Not available1961
Ben Casey as Not available1961
Cain's Hundred as Nicholas 'Nick' Cain1961
The Murder Men as Nick Cain1961
The Crimebusters as Nicholas Cain1959
The Twilight Zone as Robert Franklin1959
Bonanza as Richard Vardeman1959
The DuPont Show with June Allyson as David1959
Rawhide as Lloyd Mastic1959
The Black Orchid as Noble1958
Girls on the Loose as Police Lt. Bill Hanley1957
The Strange One as Cadet Colonel Corger (as Mark Richman)1956
Dick Powell's Zane Grey Theatre as Gar Durand1956
Friendly Persuasion as Gardner 'Gard' Jordan1955
Alfred Hitchcock Presents as Officer Barrett1955
Alfred Hitchcock Presents as Mike1955
Gunsmoke as Norm Trainer1955
Playwrights '56 as Not available1954
Middle of the Night as Jack1951
Schlitz Playhouse of Stars as Bat La Rue1949
Suspense as Young Officer1948
The Philco Television Playhouse as Not available1948
The Philco Television Playhouse as Jack1948
The Philco Television Playhouse as Charles Blake1948
The Philco Television Playhouse as Tinian1947
Kraft Television Theatre as Mack