(1963) The Power and the Glory

as ---

(1982) Deadly Encounter

as Mechanic

(1977) Tail Gunner Joe

as Librarian

(2011) Dreams Awake

as Ambrose

(1972) The Groundstar Conspiracy

as Frank Gossage

(1974) Manhunter

as Ben Marks

(1960) John Brown's Raid

as ---

(1974) Winter Kill

as Bill Carter

(1973) Sssssss

as Kogen

(1971) The Failing of Raymond

as Cliff Roeder

(1974) Death Is a Bad Trip

as Corrigan

(1975) Ellery Queen: Too Many Suspects

as Ben Waterson

(1992) Grass Roots

as Billy Lee

(1972) Wild in the Sky

as Sen. Bob Recker

(1991) The Naked Gun 2½: The Smell of Fear

as Fenzwick

(1977) Murder in Peyton Place

as Elliott Carson

(1979) The Golden Gate Murders

as Capt. Dan Bradley

(1977) The Man With the Power

as Agent Walter Bloom

(1976) The Eccentricities of a Nightingale

as Rev. Winemiller

(1972) Visions...

as Bert Hayes

(1970) House on Greenapple Road

as George Ord

(1979) Buck Rogers in the 25th Century

as Dr. Elias Huer

(1985) Peyton Place: The Next Generation

as Elliot Carson

(1971) Incident in San Francisco

as Arthur Andrews

(1972) Across 110th Street

as Lt. Hartnett

(1976) State Fair

as Jim Bryant

(1973) The Stranger

as Dr. Revere

(1990) La cruz de Iberia

as Block

(1961) Westinghouse Presents: The Dispossessed

as Lawrence

(1975) They Only Come Out at Night

as Det. Lee Masters

(1986) T.J. Hooker - Blood Sport

as John McAllister

(1984) Murder, She Wrote

as Walter Revere

(1977) Lou Grant

as ---

(1971) Columbo

as Michael Hatheway

(1972) M*A*S*H

as ---

(1979) Trapper John, M.D.

as ---

(1987) Star Trek: The Next Generation

as Ambassador Briam

(1982) T. J. Hooker

as ---

(1963) The Great Adventure

as Gen. Breckinridge

(1983) The A-Team

as Karl Peerson

(1965) The F.B.I.

as Roy Enfield

(1989) Doogie Howser, M.D.

as ---

(1968) Hawaii Five-O

as Sheldon Orwell

(1971) All in the Family

as Roy Johnson

(1982) Knight Rider

as Phillip Hunt

(1972) Maude

as Dr. Herbert Lester

(1979) Buck Rogers in the 25th Century

as Dr. Elias Huer

(1972) The Streets of San Francisco

as ---

(1978) Kaz

as ---

(1981) Dynasty

as ---

(1993) Walker, Texas Ranger

as Russell Stanley

(1967) Mannix

as Albert Tucker

(1969) Medical Center

as ---

(1955) Gunsmoke

as Kip

(1975) Wonder Woman

as Colonel Robert Elliot

(1971) Cannon

as Edgar Lassiter

(1959) The Twilight Zone

as ---

(1978) Vega$

as ---

(1974) Police Woman

as ---

(1963) The Fugitive

as Dr. Davis

(1963) Espionage

as ---

(1973) Police Story

as ---

(1964) Daniel Boone

as James Secord

(1968) Lancer

as ---

(1972) Search

as ---

(1972) Banyon

as ---

(1982) Matt Houston

as ---

(1967) Judd for the Defense

as ---

(1964) Profiles in Courage

as Rigdon

(1964) Peyton Place

as Elliot Carson

(1974) The Manhunter

as ---

(1963) The Fugitive

as Steve Lund

(1977) Quinn Martin's Tales of the Unexpected

as ---

(1976) Power Without Glory

as ---

(1961) The Defenders

as Frank Evans

(1961) The Defenders

as D.A. James Evans

(1973) Doc Elliot

as ---

(1961) Tallahassee 7000

as ---

(1963) The Fugitive

as Joe Hallop

(1959) NBC Sunday Showcase

as Jabez Stone

(1972) M*A*S*H

as Colonel Spiker

(1965) The F.B.I.

as Dennis Holland

(1965) The F.B.I.

as Walter Hazlett

(1965) The F.B.I.

as Maynard Gage

(1965) The F.B.I.

as Albert Dirks

(1965) The F.B.I.

as ---

(1955) Gunsmoke

as Arnie Sprague

(1955) Gunsmoke

as Gideon

(1963) The Outer Limits

as Major Clint Anderson

(1963) The Outer Limits

as Paul Tanner / Voice in The Enemy's war helmet (voice)

(1974) The Six Million Dollar Man

as Colonel Joe Gordon

(1968) Hawaii Five-O

as Jonathan Kaye

(1968) The Name of the Game

as Callahan

(1974) The Rockford Files

as Charles Dexter

(1978) Wheels

as Hub Hewitson

(1973) Barnaby Jones

as Peter Harris

(1962) The Alfred Hitchcock Hour

as Halstead

(1971) Great Performances

as Rev. Winemiller