| 2015 | Black Christmas Legacy as Self (archive footage) |
| 2015 | The Dentros as George Dentro |
| 2012 | Eurocrime! The Italian Cop and Gangster Films That Ruled the '70s as Self |
| 2010 | Never Sleep Again: The Elm Street Legacy as Self |
| 2010 | Bring Me the Head of Lance Henriksen as John |
| 2009 | Clarkworld as Self |
| 2009 | How Bruce Lee Changed the World as Self |
| 2009 | War Wolves as Tony Ford |
| 2008 | God's Ears as Lee Robinson |
| 2006 | The 12 Days of Black Christmas as Self |
| 2006 | Pelts as Jeb 'Pa' Jameson |
| 2006 | Trapped Ashes as Leo (segment "Stanley's Girlfriend") |
| 2006 | The Craving Heart as Richard Tom |
| 2006 | Stanley's Girlfriend as Leo |
| 2004 | Blood and Steel: The Making of 'Enter the Dragon' as Self |
| 2004 | Edgar G. Ulmer: The Man Off-Screen as Self |
| 2003 | Pitcher and the Pin-Up as Michael Curtis |
| 2002 | Black Christmas Revisited |
| 2002 | Outta Time as Darabont |
| 2002 | 'Cannibal Apocalypse' Redux as Sarge |
| 2001 | Night Class as Murphy |
| 2001 | Final Payback as Police Chief George Moreno |
| 2000 | Living in Fear as Rev. Leo Hausman |
| 2000 | Mario Bava: Maestro of the Macabre as Self |
| 1999 | Welcome to Primetime as Self |
| 1999 | Bottom Feeders as Antonio DiPaolo Jr. |
| 1999 | Bruce Lee: The Legend Lives On as Self (scenes Enter the Dragon) (archive footage) |
| 1999 | Joseph's Gift as Jacob Keller |
| 1998 | The GREATEST : Bruce Lee as Comentador |
| 1998 | The Party Crashers as Mr. Foster |
| 1998 | Bruce Lee: In His Own Words as Self (archive footage) |
| 1998 | Bruce Lee: The Intercepting Fist as Self (archive footage) |
| 1998 | The Path of the Dragon as Self |
| 1997 | Zaman Gardiyanı as Wolvencroft |
| 1996 | Gün Batımından Şafağa as FBI Agent Stanley Chase |
| 1995 | Encyclopedia of Martial Arts: Hollywood Celebrities as Self |
| 1995 | Jonathan degli orsi as Fred Goodwin |
| 1995 | The Killers Within as Detective Lewis |
| 1994 | Frame-Up II: The Cover-Up as Charles Searage |
| 1994 | Elm Sokağında Kabus 7: Yeni Kabus as John Saxon / Donald Thompson |
| 1994 | Killing Obsession as Dr. Sachs |
| 1994 | Sosyete Polisi 3 as Orrin Sanderson |
| 1994 | Bruce Lee: The Immortal Dragon as Self |
| 1993 | No Escape, No Return as James Mitchell |
| 1993 | The Baby Doll Murders as John Maglia |
| 1992 | Hellmaster as Professor Jones |
| 1992 | Animal Instincts as Otto Van Horne |
| 1992 | Maximum Force as Captain Fuller |
| 1992 | Red Kit 2 as The Man in Black (archive footage) |
| 1991 | Preminger: Anatomy of a Filmmaker as Self (archive footage) |
| 1991 | Blackmail as Gene |
| 1991 | Payoff as Rafael Concion |
| 1991 | The Arrival as Agent Miils |
| 1990 | Aftershock as Oliver Quinn |
| 1990 | Blood Salvage as Clifford Evans |
| 1990 | Crossing the Line as Jack Kagan |
| 1990 | The Final Alliance as Ghost |
| 1990 | The Last Samurai as Haroun Al-Hakim |
| 1990 | The Best of the Martial Arts Films as Self - Host |
| 1989 | Criminal Act as Herb Tamplin |
| 1989 | Nightmare Beach as Strycher |
| 1989 | My Mom's a Werewolf as Harry Thropen |
| 1988 | Zombie Death House as Colonel Gordon Burgess |
| 1988 | Stephen King's Monster Stories |
| 1987 | Elm Sokağında Kabus 3: Rüya Savaşçıları as Donald Thompson |
| 1986 | Vendetta dal futuro as Francis Turner |
| 1985 | Fever Pitch as Sports Editor |
| 1985 | Brothers-in-Law as Royal Cane |
| 1984 | Solomon Northup's Odyssey as Epps |
| 1984 | Elm Sokağında Kâbus as Lieutenant Thompson |
| 1983 | Prisoners of the Lost Universe as Kleel |
| 1983 | The Big Score as Davis |
| 1982 | Desire as Joe Hale |
| 1982 | Ölümün Sesi as Bullmer |
| 1982 | Assassinio al cimitero etrusco as Arthur Barnard |
| 1982 | Rooster as Jerome Brademan |
| 1982 | Una di troppo as Sergio Puccini |
| 1982 | Wrong Is Right as Homer Hubbard |
| 1981 | Golden Gate as Monty Sager |
| 1980 | Running Scared as Captain Munoz |
| 1980 | Battle Beyond the Stars as Sador |
| 1980 | Blood Beach as Captain Pearson |
| 1980 | Apocalypse Domani as Norman Hopper |
| 1980 | Beyond Evil as Larry Andrews |
| 1979 | The Electric Horseman as Hunt Sears |
| 1979 | The Glove as Sam Kellog |
| 1979 | Fast Company as Phil Adamson |
| 1978 | शालीमार as Colonel Columbus |
| 1978 | The Immigrants as Alan Brocker |
| 1978 | The Bees as John Norman |
| 1977 | Moonshine County Express as J.B. Johnson |
| 1977 | Il cinico, l'infame, il violento as Frank Di Maggio |
| 1976 | La Legge Violenta Della Squadra Anticrimine as Commissario Jacovella |
| 1976 | Entebbe Baskını as Maj. Gen. Benny Peled |
| 1976 | Italia a mano armata as Albertelli |
| 1976 | Mark colpisce ancora as Altman |
| 1976 | Napoli violenta as Francesco Capuano |
| 1976 | Una Magnum Special per Tony Saitta as Sgt. Ned Matthews |
| 1976 | The Swiss Conspiracy as Robert Hayes |
| 1975 | Mitchell as Walter Deaney |
| 1975 | Strange New World as Capt. Anthony Vico |
| 1975 | Crossfire as Dave Ambrose |
| 1975 | Metralleta 'Stein' as Mariano Beltrán |
| 1974 | Black Christmas as Lt. Fuller |
| 1974 | Planet Earth as Dylan Hunt |
| 1974 | Can Ellen Be Saved? as James Hallbeck |
| 1973 | Linda as Jeff Braden |
| 1973 | Ejder Kalesi as Roper |
| 1973 | Location: Hong Kong with Enter the Dragon as Self |
| 1973 | Mr. Kingstreet's War as Mr. Kingstreet |
| 1973 | Baciamo le mani as Gaspare Ardizzone |
| 1973 | Snatched as Paul Maxvill |
| 1972 | Bela Arayan Adam as Luis Chama |
| 1972 | House Made of Dawn as Tosamah |
| 1970 | The Intruders as Billy Pye |
| 1970 | Company of Killers as Dave Poohler |
| 1969 | Death of a Gunfighter as Lou Trinidad |
| 1969 | Istanbul Express as Cheval |
| 1968 | I Tre Che Sconvolsero Il West as Clay Watson |
| 1968 | For Singles Only as Bret Hendley |
| 1968 | Western, Italian Style as Self |
| 1967 | Winchester '73 as Dakin McAdam |
| 1966 | The Doomsday Flight as George Ducette |
| 1966 | The Appaloosa as Chuy |
| 1966 | Queen of Blood as Allan Brenner |
| 1965 | The Night Caller as Dr. Jack Costain |
| 1965 | The Ravagers as Capt. Kermit Dowling |
| 1964 | Sette contro la morte as Joe Cramer |
| 1963 | The Cardinal as Benny Rampell |
| 1963 | La ragazza che sapeva troppo as Dr. Marcello Bassi |
| 1962 | Agostino as Renzo |
| 1962 | Mr. Hobbs Takes a Vacation as Byron Grant |
| 1962 | War Hunt as Pvt. Raymond Endore |
| 1961 | Cehennem Takımı as Seymour Kern |
| 1960 | The Plunderers as Rondo |
| 1960 | Portrait in Black as Blake Richards |
| 1960 | The Unforgiven as Johnny Portugal |
| 1959 | The Big Fisherman as Voldi |
| 1959 | Cry Tough as Miguel Antonio Enrico Francisco Estrada |
| 1958 | The Restless Years as Will Henderson |
| 1958 | The Reluctant Debutante as David Parkson |
| 1958 | This Happy Feeling as Bill Tremaine |
| 1958 | Summer Love as Jimmy Daley |
| 1956 | The Unguarded Moment as Leonard Bennett |
| 1956 | Rock, Pretty Baby as Jimmy Daley |
| 1955 | Running Wild as Vince Pomeroy |
| 1954 | Bir Yıldız Doğuyor as Movie Premiere Usher (uncredited) |
| 1954 | It Should Happen to You as Boy Watching Argument in Park (uncredited) |
Duvar