2004
Los Angeles Plays Itself as Cliff Harper in Till the End of Time (archive footage)1989
Crossbow: The Movie as Gerrish1988
Red River as Bill Meeker, Rancher1979
The Rebels as Lt. Mayo1979
When the West Was Fun: A Western Reunion as Self1978
Where's Willie? as Tony Flore1976
Won Ton Ton: The Dog Who Saved Hollywood as Star at Screening1974
The Pacific Connection as The Old Man1974
The Silk Worm as Robert, Smeralda's ex-husband1970
Reverend's Colt as Reverend Miller Colt1969
The War Devils as Capt. George Vincent1969
The Battle of the Last Panzer as Lofty1969
Hell Commandos as Major Carter1969
A Place In Hell as Major Mac Graves1968
This Man Can't Die as Martin Benson1968
Hell in Normandy as Capt. Jack Murphy1968
Superargo and the Faceless Giants as Prof. Wendland Wond1967
Payment in Blood as Colonel Thomas Blake1967
Son of Django as Father Fleming1967
LSD Flesh of Devil as Rex Miller1967
The Devil's Man as Mike Harway1967
The Bang-Bang Kid as Bear Bullock1966
Five for Revenge as Tex1965
Legacy of the Incas as Jaguar / Karl Hansen1965
Adventurer of Tortuga as Alfonso di Montélimar1964
Old Shatterhand as Capt. Bradley1964
Gunmen Of The Rio Grande as Wyatt Earp / Laramie1964
Sandokan Fights Back as Yanez1964
Return of Sandokan as Yanez1964
Kidnapped to Mystery Island as Souyadhana1964
Gentlemen of the Night as Massimo1963
Blood of the Executioner as Rodrigo Zeno1962
Women of Devil's Island as Henri Vallière1961
Sword of the Conqueror as Amalchi1961
Slave of Rome as Marco Valerio1959
Jet Over The Atlantic as Brett Murphy1958
Bullwhip as Steve Daley1957
The Hard Man as Steve Burden1957
Not One Shall Die as Stefan Gross1956
Dick Powell's Zane Grey Theatre as Jericho - Federal Agent1956
Reprisal! as Frank Madden1956
Hilda Crane as Russell Burns1956
On the Threshold of Space as Capt. Jim Hollenbeck1956
The Beast of Hollow Mountain as Jimmy Ryan1955
5 Against the House as Al Mercer1955
The Last Frontier as Captain Glenn Riordan1955
Timber Country Trouble as Wild Bill Hickok1955
Phantom Trails as Wild Bill Hickok1955
The Matchmaking Marshal as Wild Bill Hickok1955
The Tilted Tenderfoot as Wild Bill Hickok1954
Climax! as Not available1954
The Command as Capt. Robert MacClaw1954
Trouble on the Trail as Wild Bill Hickok1954
The Two Gun Teacher as Wild Bill Hickok1954
Outlaw's Son as Wild Bill Hickok1954
Marshals in Disguise as Wild Bill Hickok1953
General Electric Theater as Adam Tenney1953
The Charge at Feather River as Miles Archer1953
Secret of Outlaw Flats as Marshal James Butler 'Wild Bill' Hickok1953
Two Gun Marshal as Wild Bill Hickok1953
Border City Rustlers as Wild Bill Hickok1953
Six Gun Decision as Marshal James Butler 'Wild Bill' Hickok1952
The Ford Television Theatre as John Harpurhey1952
The Ghost of Crossbone Canyon as Marshal James Butler 'Wild Bill' Hickok1952
Behind Southern Lines as Wild Bill Hickok1952
Red Snow as Lt. Phil Johnson1952
Trail of the Arrow as Wild Bill Hickok1952
The Yellow Haired Kid as Wild Bill Hickok1951
The Adventures of Wild Bill Hickok as Wild Bill Hickok1951
Schlitz Playhouse of Stars as Not available1951
Drums in the Deep South as Maj. Will Denning1950
What's My Line? as Self - Mystery Guest1949
Massacre River as Larry Knight1948
Texas, Brooklyn & Heaven as Eddie Tayloe1947
Honeymoon as Corporal Phil Vaughn1946
Till the End of Time as Cliff W. Harper1944
Since You Went Away as Sailor Harold E. Smith