 | Black Christmas Legacy (2015) as Self (archive footage) |
 | The Dentros (2015) as George Dentro |
 | Eurocrime! The Italian Cop and Gangster Films That Ruled the '70s (2012) as Self |
 | Never Sleep Again: The Elm Street Legacy (2010) as Self |
 | Bring Me the Head of Lance Henriksen (2010) as John |
 | Old Dogs (2009) as Lee Robinson |
 | Clarkworld (2009) as Self |
 | The Mercy Man (2009) as Father McMurray |
 | How Bruce Lee Changed the World (2009) as Self |
 | War Wolves (2009) as Tony Ford |
 | God's Ears (2008) as Lee Robinson |
 | The 12 Days of Black Christmas (2006) as Self |
 | Pelts (2006) as Jeb 'Pa' Jameson |
 | Trapped Ashes (2006) as Leo (segment "Stanley's Girlfriend") |
 | The Craving Heart (2006) as Richard Tom |
| | Stanley's Girlfriend (2006) as Leo |
 | Blood and Steel: The Making of Enter the Dragon (2004) as Self |
 | Edgar G. Ulmer – Der Mann im Off (2004) as Self |
 | Pitcher and the Pin-Up (2003) as Michael Curtis |
 | Black Christmas Revisited (2002) as Self |
 | Outta Time (2002) as Darabont |
| | 'Cannibal Apocalypse' Redux (2002) as Sarge |
 | The Unbeatable Bruce Lee (2001) |
 | Night Class (2001) as Murphy |
 | Final Payback (2001) as Police Chief George Moreno |
 | Living in Fear (2000) as Rev. Leo Hausman |
 | Mario Bava: Maestro of the Macabre (2000) as Self |
 | Welcome to Primetime (1999) as Self |
 | Joseph's Gift (1999) as Jacob Keller |
 | The GREATEST : Bruce Lee (1998) as Comentador |
 | The Party Crashers (1998) as Mr. Foster |
| | Bottom Feeders (1998) as Antonio DiPaolo Jr. |
 | The Path of the Dragon (1998) as Self |
 | Lancelot: Guardian of Time (1997) as Wolvencroft |
 | From Dusk Till Dawn (1996) as FBI Agent Stanley Chase |
| | Encyclopedia of Martial Arts: Hollywood Celebrities (1995) as Self |
 | Jonathan degli orsi (1995) as Fred Goodwin |
 | The Killers Within (1995) as Detective Lewis |
 | Frame-Up II: The Cover-Up (1994) as Charles Searage |
 | Wes Craven's New Nightmare (1994) as John Saxon / Lt. Donald Thompson |
 | Killing Obsession (1994) as Dr. Sachs |
 | Beverly Hills Cop III (1994) as Orrin Sanderson |
 | Bruce Lee: The Immortal Dragon (1994) as Self |
 | No Escape, No Return (1993) as James Mitchell |
 | The Baby Doll Murders (1993) as John Maglia |
 | Hellmaster (1992) as Professor Jones |
 | Animal Instincts (1992) as Otto Van Horne |
 | Maximum Force (1992) as Captain Fuller |
 | Lucky Luke 2 (1992) as The Man in Black (archive footage) |
 | Preminger: Anatomy of a Filmmaker (1991) as Self (archive footage) |
 | Blackmail (1991) as Gene |
 | Solomon Northup's Odyssey (1991) as Epps |
 | Payoff (1991) as Rafael Concion |
 | The Arrival (1991) as Agent Miils |
 | Aftershock (1990) as Oliver Quinn |
 | Blood Salvage (1990) as Clifford Evans |
 | Crossing the Line (1990) as Jack Kagan |
 | The Final Alliance (1990) as Ghost |
 | The Last Samurai (1990) as Haroun Al-Hakim |
 | The Best of the Martial Arts Films (1990) as Self - Host |
 | Criminal Act (1989) as Herb Tamplin |
 | Nightmare Beach (1989) as Strycher |
 | My Mom's a Werewolf (1989) as Harry Thropen |
 | Zombie Death House (1988) as Colonel Gordon Burgess |
 | Stephen King's Monster Stories (1988) |
 | A Nightmare on Elm Street 3: Dream Warriors (1987) as Thompson |
 | Vendetta dal futuro (1986) as Francis Turner |
 | Fever Pitch (1985) as Sports Editor |
 | Brothers-in-Law (1985) as Royal Cane |
 | A Nightmare on Elm Street (1984) as Lt. Donald Thompson |
 | Prisoners of the Lost Universe (1983) as Kleel |
 | The Big Score (1983) as Davis |
 | Desire (1982) as Joe Hale |
 | Tenebre (1982) as Bullmer |
 | Assassinio al cimitero etrusco (1982) as Arthur Barnard |
 | Rooster (1982) as Jerome Brademan |
 | Una di troppo (1982) as Sergio Puccini |
 | Wrong Is Right (1982) as Homer Hubbard |
 | Lo Scorpione a Due Code (1982) as Arthur Barnard |
 | Golden Gate (1981) as Monty Sager |
 | Running Scared (1980) as Captain Munoz |
 | Battle Beyond the Stars (1980) as Sador |
 | Blood Beach (1980) as Captain Pearson |
 | Apocalypse Domani (1980) as Norman Hopper |
 | Beyond Evil (1980) as Larry Andrews |
 | The Electric Horseman (1979) as Hunt Sears |
 | The Glove (1979) as Sam Kellog |
 | Fast Company (1979) as Phil Adamson |
| | शालीमार (1978) as Colonel Columbus |
 | The Immigrants (1978) as Alan Brocker |
 | The Bees (1978) as John Norman |
 | Moonshine County Express (1977) as J.B. Johnson |
 | Il cinico, l'infame, il violento (1977) as Frank Di Maggio |
 | La legge violenta della squadra anticrimine (1976) as Commissario Jacovella |
 | Raid on Entebbe (1976) as Maj. Gen. Benny Peled |
 | Italia a mano armata (1976) as Albertelli |
 | Mark colpisce ancora (1976) as Altman |
 | Napoli violenta (1976) as Francesco Capuano |
 | Una Magnum Special per Tony Saitta (1976) as Sgt. Ned Matthews |
 | The Swiss Conspiracy (1976) as Robert Hayes |
 | Mitchell (1975) as Walter Deaney |
 | Strange New World (1975) as Capt. Anthony Vico |
 | Crossfire (1975) as Dave Ambrose |
 | Metralleta 'Stein' (1975) as Mariano Beltrán |
 | Black Christmas (1974) as Lt. Fuller |
 | Planet Earth (1974) as Dylan Hunt |
 | Can Ellen Be Saved? (1974) as James Hallbeck |
 | Linda (1973) as Jeff Braden |
 | Enter the Dragon (1973) as Roper |
 | Location: Hong Kong with Enter the Dragon (1973) as Self |
 | Mr. Kingstreet's War (1973) as Mr. Kingstreet |
 | Baciamo le mani (1973) as Gaspare Ardizzone |
 | Snatched (1973) as Paul Maxvill |
 | Joe Kidd (1972) as Luis Chama |
 | House Made of Dawn (1972) as Tosamah |
 | The Intruders (1970) as Billy Pye |
 | Company of Killers (1970) as Dave Poohler |
 | Death of a Gunfighter (1969) as Lou Trinidad |
 | Istanbul Express (1969) as Cheval |
 | I Tre Che Sconvolsero Il West (1968) as Clay Watson |
 | For Singles Only (1968) as Bret Hendley |
 | Western, Italian Style (1968) as Self |
 | Winchester '73 (1967) as Dakin McAdam |
 | The Doomsday Flight (1966) as George Ducette |
 | The Appaloosa (1966) as Chuy |
 | Queen of Blood (1966) as Allan Brenner |
 | The Night Caller (1965) as Dr. Jack Costain |
 | The Ravagers (1965) as Capt. Kermit Dowling |
 | Sette contro la morte (1964) as Joe Cramer |
 | The Cardinal (1963) as Benny Rampell |
 | La ragazza che sapeva troppo (1963) as Dr. Marcello Bassi |
 | Agostino (1962) as Renzo |
 | Mr. Hobbs Takes a Vacation (1962) as Byron Grant |
 | War Hunt (1962) as Pvt. Raymond Endore |
 | Posse from Hell (1961) as Seymour Kern |
 | The Plunderers (1960) as Rondo |
 | Portrait in Black (1960) as Blake Richards |
 | The Unforgiven (1960) as Johnny Portugal |
 | The Big Fisherman (1959) as Voldi |
 | Cry Tough (1959) as Miguel Antonio Enrico Francisco Estrada |
 | The Restless Years (1958) as Will Henderson |
 | The Reluctant Debutante (1958) as David Parkson |
 | This Happy Feeling (1958) as Bill Tremaine |
 | Summer Love (1958) as Jimmy Daley |
 | The Unguarded Moment (1956) as Leonard Bennett |
 | Rock, Pretty Baby (1956) as Jimmy Daley |
 | Running Wild (1955) as Vince Pomeroy |
 | A Star Is Born (1954) as Movie Premiere Usher (uncredited) |
 | It Should Happen to You (1954) as Boy Watching Argument in Park (uncredited) |
| | New Line: Independent Legacies as Self (archive footage) |
| | Zombie Death House Director |
