1994
Maverick as Poker Player1994
The Adventures of Young Indiana Jones: Hollywood Follies as Wyatt Earp1993
seaQuest DSV as Smith1990
Alienator as Cpl. Coburn1990
Mob Boss as Don O'Reily1988
Big Top Pee-wee as Joe the Blacksmith (as Leo V. Gordon)1988
Saturday the 14th Strikes Back as The Evil One1987
Wiseguy as Not available1987
The Garbage Pail Kids Movie as Guard #11985
Moonlighting as Warden Cosgrove ( As Leo V. Gordon)1985
Savage Dawn as Sheriff1983
Fire and Ice as Jarol1983
M.A.D.D.: Mothers Against Drunk Drivers as Officer Horvath1982
St. Elsewhere as Bjorn Johnston1982
Fame as Not available1980
Magnum, P.I. as Not available1980
Enos as Not available1980
Tenspeed and Brown Shoe as Not available1980
Rage! as Cal's Father1979
Son of Hitler as Fritz Tünnes1979
Bog as Dr. John Warren1978
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 Burt1975
Barbary Coast as Chief Macdonald Keogh1974
Little House on the Prairie as Not available1974
The Rockford Files as Charles Martell1974
The Rockford Files as Clark Streeter1974
The Rockford Files as Charlie Martell (as Leo V. Gordon)1973
My Name Is Nobody as Red1973
Bonnie's Kids as Charley1972
The Streets of San Francisco as Eddie Suslow1971
Cannon as Not available1971
Alias Smith and Jones as Ebenezer1971
The Trackers as Higgins1970
McCloud as Not available1970
You Can't Win 'Em All as Bolek1969
Marcus Welby, M.D. as Sgt. Lewis1968
Adam-12 as Jack Donohue1968
Adam-12 as Jennings Thornton1968
Adam-12 as Cleve1968
Adam-12 as Ken Quinnlan1968
Adam-12 as Carl Carney1968
The Mod Squad as Unit Leader1968
The Mod Squad as Keller1968
The Outcasts as Not available1967
The High Chaparral as Lije Driskill1967
Mr. Terrific as Archie Thompson1967
Rango as Not available1967
The St. Valentine's Day Massacre as Heitler1967
Tobruk as Sgt. Krug1967
Devil's Angels as Sheriff Henderson1967
Hostile Guns as Hank Pleasant1967
Pistols 'n' Petticoats as Cyrus Breech1966
Tarzan as Not available1966
Pistols 'n' Petticoats as Not available1966
The Night of the Grizzly as Cass Dowdy1966
Beau Geste as Krauss1965
Get Smart as Grillak1965
The F.B.I. as Drunk Driver1965
Laredo as Not available1965
The Dictator's Guns as Morrison1964
12 O'Clock High as MSgt. Caber McVaigh1964
Daniel Boone as Silas Morgan1964
Kitten with a Whip as Enders1963
Bob Hope Presents the Chrysler Theatre as Biggie1963
Bob Hope Presents the Chrysler Theatre as Jolly Boy1963
Arrest and Trial as Fred Kordiak1963
The Great Adventure as McCanles1963
Temple Houston as Charles Grimm1963
McLintock! as Jones1963
The Haunted Palace as Edgar Weeden / Ezra Weeden1963
Kings of the Sun as Hunac Ceel1963
The Raven as Grimes (voice) (uncredited)1962
The Virginian as Jack Scratch1962
The Virginian as Big Jim Lafferty1962
The Virginian as Loma Bartender1962
The Intruder as Sam Griffin1962
The Nun and the Sergeant as Dockman1962
Tarzan Goes to India as Bryce1960
The Andy Griffith Show as Luke Comstock1960
Route 66 as Bernie Duncan1960
The Roaring 20's as Not available1960
Outlaws as Not available1960
Coronado 9 as Not available1960
Noose for a Gunman as Link Roy1959
The Untouchables as Pops Gantry1959
The Untouchables as Whitey1959
Bonanza as Fargo Taylor1959
Bonanza as Early Thorne1959
Bonanza as Forsythe1959
Rawhide as Chris Jenson1959
Rawhide as Daggett1959
Law of the Plainsman as Rand1959
The Deputy as Evan Sloate1959
Mr. Lucky as Killer1959
Lock-Up as Not available1959
The Alaskans as Not available1959
Tightrope as Charlie Carson1959
Escort West as Trooper Vogel1959
The Jayhawkers! as Jake Barton1959
The Big Operator as Danny Sacanzi1958
The Rifleman as Stack Wade1958
The Rifleman as Abe Jordan1958
Lawman as Bull Nickerson1958
Bat Masterson as Joe Quince1958
Bat Masterson as Red Eric Peterson1958
Bronco as Not available1958
Sea Hunt as Panicky Miner1958
Yancy Derringer as Lance Carter1958
The Cry Baby Killer as Man in Crowd (uncredited)1958
Apache Territory as Zimmerman1958
Quantrill's Raiders as William Clarke Quantrill1958
Ride a Crooked Trail as Sam Mason1958
The Notorious Mr. Monks as Chip Klamp1957
Perry Mason as Charles Duncan1957
Have Gun, Will Travel as Clyde McNally1957
Have Gun, Will Travel as Deputy Moley1957
Have Gun, Will Travel as Harkness1957
Have Gun, Will Travel as Bert Talman1957
Maverick as Big Mike McComb1957
Casey Jones as Deputy Marshal Martin Croy1957
26 Men as Not available1957
Tombstone Territory as Pete Carter1957
Tombstone Territory as Ben Jensen1957
Official Detective as Not available1957
The Tall Stranger as Stark1957
Baby Face Nelson as John Dillinger1957
Black Patch as Hank Danner1957
Man in the Shadow as Chet Huneker1957
The Restless Breed as Cherokee1957
Lure of the Swamp as Steggins, Insurance Investigator1956
Dick Powell's Zane Grey Theatre as Jed Scott1956
State Trooper as Ed Munger1956
State Trooper as Dan Quirk1956
Broken Arrow as Will Carr1956
The Man Who Knew Too Much as Drayton's Chauffeur (uncredited)1956
Circus Boy as Not available1956
The Conqueror as Tartar Captain1956
Red Sundown as Rod Zellman1956
Great Day in the Morning as Zeff Masterson1956
7th Cavalry as Vogel1956
Johnny Concho as Mason1956
The Steel Jungle as Lupo1955
The Life and Legend of Wyatt Earp as Miggles Hannegan1955
Cheyenne as George MacDonald1955
Cheyenne as Lou Santell / McCarthy1955
Cheyenne as Dan Gibson1955
Cheyenne as Greg Kirby1955
Gunsmoke as Hack Prine1955
Gunsmoke as Hutch1955
Gunsmoke as Hargis1955
Gunsmoke as Job Snelling1955
Gunsmoke as Badger1955
Screen Director's Playhouse as Tom Martin1955
Navy Log as Not available1955
Frontier as Not available1955
Frontier as Lou1955
Frontier as Pauk1955
Man with the Gun as Ed Pinchot1955
Ten Wanted Men as Frank Scavo1955
Soldier of Fortune as Big Matt1955
Seven Angry Men as Martin White1955
Robbers' Roost as Jeff1955
Tennessee's Partner as The Sheriff1955
Santa Fe Passage as Tuss McLawery1954
The Wonderful World of Disney as Bill1954
The Adventures of Rin Tin Tin as Garth1954
The Adventures of Rin Tin Tin as Pete Cregar1954
The Adventures of Rin Tin Tin as Charlie1954
Sign of the Pagan as Bleda1954
The Yellow Mountain as Drake1954
Riot in Cell Block 11 as Crazy Mike Carne1954
The Bamboo Prison as Pike1953
Hondo as Ed Lowe1953
Gun Fury as Tom 'Jess' Burgess1953
All the Brothers Were Valiant as Peter How1953
China Venture as Sgt. Hank Janowicz1952
The Ford Television Theatre as Leonard1952
The Ford Television Theatre as Officer Johnson1951
Hallmark Hall of Fame as Not available1950
Lux Video Theatre as Augie1975
The Pot Writer1970
You Can't Win 'Em All Writer1969
All the Loving Couples Author1968
Adam-12 Writer1967
Tobruk Screenplay1965
The Bounty Killer Writer1963
The Terror Screenplay1962
Tower of London Writer1962
Tower of London Story1961
The Cat Burglar Writer1960
Valley of the Redwoods Writer1960
The Case of the Dangerous Robin Creator1959
The Wasp Woman Screenplay1959
Escort West Writer1959
Attack of the Giant Leeches Screenplay1959
Attack of the Giant Leeches Original Story1959
Hawaiian Eye Writer1959
Hawaiian Eye Story1959
Bonanza Writer1958
The Cry Baby Killer Writer1958
Hot Car Girl Screenplay1958
Lawman Story1958
Bat Masterson Writer1957
Black Patch Writer1957
Maverick Teleplay1957
Sugarfoot Writer1957
Tombstone Territory Teleplay1957
Maverick Writer1957
Tombstone Territory Writer1956
State Trooper Writer1956
State Trooper Teleplay1955
Cheyenne Story