Credits

• 2002 · The Adventures of Young Indiana Jones as Wyatt Earp
• 1994 · The Adventures of Young Indiana Jones: Hollywood Follies as Wyatt Earp
• 1994 · Maverick as Poker Player
• 1993 · seaQuest DSV as Smith
• 1990 · Mob Boss as Don O'Reily
• 1990 · Alienator as Cpl. Coburn
• 1988 · Saturday the 14th Strikes Back as The Evil One
• 1988 · Big Top Pee-wee as Joe the Blacksmith (as Leo V. Gordon)
• 1987 · Wiseguy as
• 1987 · The Garbage Pail Kids Movie as Guard #1
• 1986 · Savage Dawn as Sheriff
• 1985 · Moonlighting as Warden Cosgrove ( As Leo V. Gordon)
• 1983 · Fire and Ice as Jarol
• 1983 · M.A.D.D.: Mothers Against Drunk Drivers as Officer Horvath
• 1982 · St. Elsewhere as Bjorn Johnston
• 1982 · Fame as
• 1980 · Magnum, P.I. as
• 1980 · Enos as
• 1980 · Rage! as Cal's Father
• 1980 · Tenspeed and Brown Shoe as
• 1979 · Bog as Dr. John Warren
• 1979 · Son of Hitler as Fritz Tünnes
• 1978 · The Lucifer Complex as C.I.A. Chief Al Norris (uncredited)
• 1976 · The Shootist as Books' Victim in Flashback (archive footage / uncredited)
• 1976 · Nashville Girl as Burt
• 1975 · Barbary Coast as Chief Macdonald Keogh
• 1974 · The Rockford Files as Charles Martell
• 1974 · The Rockford Files as Clark Streeter
• 1974 · The Rockford Files as Charlie Martell (as Leo V. Gordon)
• 1974 · Little House on the Prairie as
• 1973 · My Name Is Nobody as Red
• 1973 · Bonnie's Kids as Charley
• 1972 · The Streets of San Francisco as Eddie Suslow
• 1971 · The Trackers as Higgins
• 1971 · Cannon as
• 1971 · Alias Smith and Jones as Ebenezer
• 1970 · You Can't Win 'Em All as Bolek
• 1970 · McCloud as
• 1969 · Marcus Welby, M.D. as Sgt. Lewis
• 1968 · The Mod Squad as Unit Leader
• 1968 · The Mod Squad as Keller
• 1968 · The Outcasts as
• 1968 · Adam-12 as Jack Donohue
• 1968 · Adam-12 as Jennings Thornton
• 1968 · Adam-12 as Cleve
• 1968 · Adam-12 as Ken Quinnlan
• 1968 · Adam-12 as Carl Carney
• 1967 · The High Chaparral as Lije Driskill
• 1967 · Pistols 'n' Petticoats as Cyrus Breech
• 1967 · Hostile Guns as Hank Pleasant
• 1967 · The St. Valentine's Day Massacre as Heitler
• 1967 · Devil's Angels as Sheriff Henderson
• 1967 · Tobruk as Sgt. Krug
• 1967 · Rango as
• 1967 · Mr. Terrific as Archie Thompson
• 1966 · Pistols 'n' Petticoats as
• 1966 · Tarzan as
• 1966 · Beau Geste as Krauss
• 1966 · The Night of the Grizzly as Cass Dowdy
• 1965 · The F.B.I. as Drunk Driver
• 1965 · Get Smart as Grillak
• 1965 · Laredo as
• 1965 · The Dictator's Guns as Morrison
• 1964 · Kitten with a Whip as Enders
• 1964 · Daniel Boone as Silas Morgan
• 1964 · 12 O'Clock High as MSgt. Caber McVaigh
• 1963 · Kings of the Sun as Hunac Ceel
• 1963 · McLintock! as Jones
• 1963 · Bob Hope Presents the Chrysler Theatre as Biggie
• 1963 · Bob Hope Presents the Chrysler Theatre as Jolly Boy
• 1963 · The Great Adventure as McCanles
• 1963 · Temple Houston as Charles Grimm
• 1963 · Arrest and Trial as Fred Kordiak
• 1963 · The Haunted Palace as Edgar Weeden / Ezra Weeden
• 1963 · The Raven as Grimes (voice) (uncredited)
• 1962 · The Virginian as Jack Scratch
• 1962 · The Virginian as Big Jim Lafferty
• 1962 · The Virginian as Loma Bartender
• 1962 · Tarzan Goes to India as Bryce
• 1962 · The Intruder as Sam Griffin
• 1962 · The Nun and the Sergeant as Dockman
• 1960 · The Roaring 20's as
• 1960 · Route 66 as Bernie Duncan
• 1960 · The Andy Griffith Show as Luke Comstock
• 1960 · Outlaws as
• 1960 · Coronado 9 as
• 1960 · Noose for a Gunman as Link Roy
• 1959 · Mr. Lucky as Killer
• 1959 · The Untouchables as Pops Gantry
• 1959 · The Untouchables as Whitey
• 1959 · The Jayhawkers! as Jake Barton
• 1959 · The Alaskans as
• 1959 · Law of the Plainsman as Rand
• 1959 · Lock-Up as
• 1959 · Bonanza as Fargo Taylor
• 1959 · Bonanza as Early Thorne
• 1959 · Bonanza as Forsythe
• 1959 · The Deputy as Evan Sloate
• 1959 · Tightrope as Charlie Carson
• 1959 · The Big Operator as Danny Sacanzi
• 1959 · Escort West as Trooper Vogel
• 1959 · Rawhide as Chris Jenson
• 1959 · Rawhide as Daggett
• 1958 · Ride a Crooked Trail as Sam Mason
• 1958 · Bat Masterson as Joe Quince
• 1958 · Bat Masterson as Red Eric Peterson
• 1958 · Lawman as Bull Nickerson
• 1958 · Yancy Derringer as Lance Carter
• 1958 · The Rifleman as Abe Jordan
• 1958 · The Rifleman as Stack Wade
• 1958 · Bronco as
• 1958 · Apache Territory as Zimmerman
• 1958 · The Cry Baby Killer as Man in Crowd (uncredited)
• 1958 · Quantrill's Raiders as William Clarke Quantrill
• 1958 · The Notorious Mr. Monks as Chip Klamp
• 1958 · Sea Hunt as Panicky Miner
• 1957 · Man in the Shadow as Chet Huneker
• 1957 · Baby Face Nelson as John Dillinger
• 1957 · The Tall Stranger as Stark
• 1957 · 26 Men as
• 1957 · Tombstone Territory as Pete Carter
• 1957 · Tombstone Territory as Ben Jensen
• 1957 · Casey Jones as Deputy Marshal Martin Croy
• 1957 · Maverick as Big Mike McComb
• 1957 · Perry Mason as Charles Duncan
• 1957 · Black Patch as Hank Danner
• 1957 · Have Gun, Will Travel as Clyde McNally
• 1957 · Have Gun, Will Travel as Bert Talman
• 1957 · Have Gun, Will Travel as Harkness
• 1957 · Have Gun, Will Travel as Deputy Moley
• 1957 · The Restless Breed as Cherokee
• 1957 · Lure of the Swamp as Steggins, Insurance Investigator
• 1957 · Official Detective as
• 1956 · 7th Cavalry as Vogel
• 1956 · Dick Powell's Zane Grey Theatre as Jed Scott
• 1956 · State Trooper as Ed Munger
• 1956 · State Trooper as Dan Quirk
• 1956 · Broken Arrow as Will Carr
• 1956 · Circus Boy as
• 1956 · Johnny Concho as Mason
• 1956 · The Man Who Knew Too Much as Drayton's Chauffeur (uncredited)
• 1956 · Great Day in the Morning as Zeff Masterson
• 1956 · The Conqueror as Tartar Captain
• 1956 · The Steel Jungle as Lupo
• 1956 · Red Sundown as Rod Zellman
• 1955 · Man with the Gun as Ed Pinchot
• 1955 · Screen Director's Playhouse as Tom Martin
• 1955 · Frontier as
• 1955 · Tennessee's Partner as The Sheriff
• 1955 · Cheyenne as George MacDonald
• 1955 · Cheyenne as Lou Santell / McCarthy
• 1955 · Cheyenne as Greg Kirby
• 1955 · Cheyenne as Dan Gibson
• 1955 · Navy Log as
• 1955 · Gunsmoke as Hack Prine
• 1955 · Gunsmoke as Hutch
• 1955 · Gunsmoke as Hargis
• 1955 · Gunsmoke as Job Snelling
• 1955 · Gunsmoke as Badger
• 1955 · The Life and Legend of Wyatt Earp as Miggles Hannegan
• 1955 · Robbers' Roost as Jeff
• 1955 · Soldier of Fortune as Big Matt
• 1955 · Santa Fe Passage as Tuss McLawery
• 1955 · Seven Angry Men as Martin White
• 1955 · Ten Wanted Men as Frank Scavo
• 1954 · Sign of the Pagan as Bleda
• 1954 · The Yellow Mountain as Drake
• 1954 · The Wonderful World of Disney as Bill
• 1954 · The Adventures of Rin Tin Tin as Garth
• 1954 · The Adventures of Rin Tin Tin as Charlie
• 1954 · The Adventures of Rin Tin Tin as Pete Cregar
• 1954 · The Bamboo Prison as Pike
• 1954 · Riot in Cell Block 11 as Crazy Mike Carne
• 1953 · Hondo as Ed Lowe
• 1953 · All the Brothers Were Valiant as Peter How
• 1953 · Gun Fury as Tom 'Jess' Burgess
• 1953 · China Venture as Sgt. Hank Janowicz
• 1952 · The Ford Television Theatre as Leonard
• 1952 · The Ford Television Theatre as Officer Johnson
• 1951 · Hallmark Hall of Fame as
• 1950 · Lux Video Theatre as Augie