(1992) The Lawnmower Man

as Father Francis McKeen

(1968) The Devil's Brigade

as Sgt. Pat O'Neill

(1974) The Centerfold Girls

as Sgt. Garrett

(1989) The Dead Pit

as Dr. Gerald Swan

(1969) Hell's Angels '69

as Wes

(1967) The Born Losers

as Daniel 'Danny' Carmody

(1962) Girls! Girls! Girls!

as Wesley Johnson

(1979) Stranger in Our House

as Tom Bryant

(1965) The Sons of Katie Elder

as Ben Latta

(1969) True Grit

as Emmett Quincy

(1960) G.I. Blues

as Turk

(1969) Hell's Belles

as Dan

(1973) The Man Who Died Twice

as Joe Larrabee

(1968) The Mini-Skirt Mob

as Lon

(1989) Goodnight, Sweet Marilyn

as 'Mesquite'

(1959) That Kind of Woman

as Soldier (uncredited)

(1963) Wives and Lovers

as Gar Aldrich

(1991) Dream Machine

as Jack Chamberlain

(1975) Stowaway to the Moon

as Astronaut Capt. Rick Lawrence

(1971) Crosscurrent

as Sgt. Pat Cassady

(1968) The Hooked Generation

as Daisy

(1967) Wings of Fire

as Hal Random

(1959) North by Northwest

as Policeman at Grand Central Station (uncredited)

(1972) Curse of the Moon Child

as ---

(1974) Return of the Big Cat

as John McClaren

(1990) Stolen: One Husband

as McGregor

(1965) I'll Take Sweden

as Erik Carlson

(1974) Death in Space

as Cliff Rocky Rhodes

(1988) Whisper Kill

as Dr. John Oxford

(1989) Trenchcoat in Paradise

as Robert Graham

(1972) Drag Racer

as Ron

(1989) Deadlock

as Richard David Rand

(1979) Mr. Horn

as Capt. Emmet Crawford

(2007) Working with the Duke

as Self / Emmett Quincy

(2007) True Writing

as Self / Emmett Quincy

(1972) The Rookies

as ---

(1963) The Great Adventure

as Captain Nathan Hale

(1959) Mr. Lucky

as Karl Lieder

(1960) Route 66

as Hob Harrell

(1958) Naked City

as Chuck Mullord

(1957) Perry Mason

as Bob Lansing

(1955) Gunsmoke

as Jess

(1962) Combat!

as Lt. Asher

(1964) Bewitched

as Wally

(1975) Wonder Woman

as Marshall Henshaw

(1955) Alfred Hitchcock Presents

as Joe Helmer

(1963) The Greatest Show on Earth

as Tommy Jackson

(1965) Run for Your Life

as Pete Gaffney

(1957) Have Gun, Will Travel

as Frank DeWitt

(1973) Police Story

as ---

(1962) The Virginian

as Johnny Kane / Benton

(1960) The Aquanauts

as Larry Lahr

(1959) One Step Beyond

as Eric Borgner

(1974) Petrocelli

as Stacy

(1966) Tarzan

as ---

(1967) Accidental Family

as ---

(1959) Lock-Up

as ---

(1958) Bat Masterson

as Bob Clements

(1963) The Lieutenant

as Lt. Virgil Scott Boxer

(1959) New York Confidential

as ---

(1961) Dr. Kildare

as Dr. Anthony Tredman

(1954) Summer Playhouse

as ---

(1972) Ghost Story

as Rafe Norris

(1959) One Step Beyond

as Captain Adams

(1973) The Magician

as Ross Hazlitt

(1959) Bonanza

as Ed Phillips

(1962) The Virginian

as Jim Dawson

(1955) Gunsmoke

as Pruit

(1955) Gunsmoke

as Billy

(1955) Gunsmoke

as Web Fraley

(1955) Gunsmoke

as Judd Ward

(1955) Gunsmoke

as Ben Rodman

(1957) Perry Mason

as Philip Andrews

(1967) Mannix

as Ted Kilgore

(1971) Bearcats!

as Lassiter

(1954) The Wonderful World of Disney

as Red Quincy (uncredited)

(1955) Alfred Hitchcock Presents

as Carl Seabrook

(1966) Mission: Impossible

as Frederick Hoffman

(1964) The Man from U.N.C.L.E.

as Gabe Melcroft

(1962) Combat!

as Cpl. Andy March

(1959) The Untouchables

as Elroy Daldran

(1959) Bonanza

as Gunnar Borgstrom

(1959) The Deputy

as Red Dawson

(1959) Bonanza

as Jeremy Roman

(1959) The Untouchables

as Red Foran

(1952) The Adventures of Ozzie and Harriet

as George

(1957) Alcoa Theatre

as Sam Spears

(1954) The Wonderful World of Disney

as John McClaren

(1986) Starman

as Vic

(1965) Seaway

as Captain Kerr

(2005) My Name Is Earl

as Bud

(1968) The Dick Cavett Show

as Self - Guest

(1962) The Alfred Hitchcock Hour

as Trent Parker

(1962) The Alfred Hitchcock Hour

as Keith Holloway

(1962) The Alfred Hitchcock Hour

as Dexter Dailey