2024Sleaze Please: The World of Bill Margold— Self
2021Larry Wessel's Palace of Wonders— Self
2021Erotophonophiliac: Documents of a Lust Murderer
2018Porndemic— Self
2018Portraits of Andrea Palmer— John
2017A Taboo Identity— Himself
2016The Last Days of Joe Blow— Himself
2015The Second Coming
2015Ginger Lynn's Sluts— (archive footage)
2014Back Issues: The Hustler Magazine Story— Himself
2012Inside Lara Roxx— Self
2008Not Quite Hollywood— Self
2006Ted Bundy: Natural Porn Killer— Self
2005Darkside— Dr. Black
2004When Rated X Ruled the World— Self
2004Up in the Club: L.A.
2004John Holmes: The Man, the Myth, the Legend
2004She Devils in Pink
2004The Sopornos 7— Buddy
2003X-Rated Ambition: The Traci Lords Story— Self
2003Eternal Virgins
2003Aces in the Holes— Ratway / Non-sex
2003Fluffy Cumsalot: Porn Star
2002Too Many Blonde Moments
2002The History of Hardcore— Self
2002The Sopornos 4— Bill (as Bill Margold) (NonSex Role)
2002Jim Holliday's Floss
2001Porn Star: The Legend of Ron Jeremy— Self
2001Bad Girl— Self
2000Give Me Your Soul...— Self
1999Rated X: A Journey Through Porn— Self, Dr. Yes
1999Eye Candy Refocused
1998Blondage: Extreme Close-Up— Non-Sex Role
1998Porn... It's a Living— Self
1997Deep Throat - The Quest II: Jail Break
1997Deep Throat - The Quest
1995Ultimate Fantasy— Narrator
1995Swedish Erotica 93
1993Nympho Zombie Coeds
1993Hush... My Mother Might Hear Us
1992Seymore Butts Rides Again— Uncle Mo
1991The Anus Family— Gonzo Anus
1991The Tasting
1990Midnight Fire
1990Playpen of the Damned— Himself
1990Eternal Bliss
1990The Night Temptress— Doctor (voice)
1990Aussie Exchange Girls
1989The Mystery of the Golden Lotus
1989Voodoo Lust: The Possession— Bartender
1989Butts Motel 3— Norman Butts
1989Bratgirl— Narrator (voice)
1989Sheer Haven
1988Max Bedroom
1988Chicks in Black Leather— (archive footage)
1988Jack Hammer
1988Born to Burn
1988Future Sodom— The Instructor
1988Maxine— T.V. Announcer
1988Inner Blues— Rocky
1987Divorce Court Expose 2
1987Legends of Porn— (archive footage)
1987Sex Drive 2020— Dr. Johnson
1987Don't Get Them Wet!!!!— Joe The Storekeeper
1987Born to be Maid— Chef Weener (as William Maragold)
1987The Cat Club— Doctor Burmese (as Bill Margold)
1987Let's Talk Dirty
1987Divorce Court Expose— Judge Beaulieu
1987Born to be Wild
1987Debbie Does the Devil in Dallas— The Devil
1986Midnight Zone
1986Dr. Strange Sex— Comrade General Olaf
1986Double Standards— The Narrator (voice)
1986Good to the Last Drop— (archive footage)
1986Nudes at Eleven— Mohair Kuntjockey
1986Little American Maid— The Master
1986Chastity and the Starlets— Father Comstack / The Guardian / Daddy
198669 Minutes Evening News 1
1986Satania
1985The Good Time Girls
1985Flesh and Bullets— Russ - Wrestler
1985Corporate Assets— Police Officer
1985Sweet Surrender— "Hot Times" Reporter
1985Blue Ice— Wolfgang
1985The Eyes of Eddie Mars
1985A Night for Legends— Self - XRCO Member
1985Cunning Coeds
1984I Wanna Be Teased!— The Father
1984Sheer Delight— The Twins
1984Passionate Lee— Lee's Agent
1984Dial 'F' For Fantasy
1984Fantasy Follies II
1984Stiff Competition— Bookie (uncredited)
1984Endless Lust— Mr. Shepner (archive footage)
1984The Other Side of Lianna
1984Erotic Radio WSEX— Woodley
1983'A Bit' Too Much Too Soon
1983Flesh and Laces— The Senator
1983The Young Like It Hot— "Big Dick"
1983Flesh Pond— Magazine Publisher
1983Little Girls Lost— Jack
1983Marathon
1983Feels Like Silk— Major den Schul
1983A Lacy Affair— The Doctor
1983Fantasy Follies— Guy in Kay's Movie / Slate Operator
1983Bodies in Heat— Detective
1982Girl from S.E.X.— Mr. 'Big'
1982Love Goddesses
1982Casanova 2— William Margold / Guy in the News
1982Intimate Lessons— The Chauffeur
1982Lust Inferno— Reverend Jerry
1982Pleasure Dome— The Pool Man
1982Desire— Old Tobias
1982Stephanie's Lust Story— The Agent (archive footage)
1981Anytime Anyplace— Security Guard
1981Las Vegas Girls— The Party Host
1981Fast Cars Fast Women— Track Manager (Bill Margold)
1981Olympic Fever— Coach Rod
1981Ring of Desire— Rick Kelly
1980Tinseltown— Morty Green
1980Plato's: The Movie— Roger Meade (uncredited)
1980Weekend Fantasy— John
1980Night Flight
1980The Master and Ms. Johnson— Marlaid
1979The Producer's Wife
1979Superware Party— Lionel Smithers
1979High School Report Card
1979Pink Champagne— Richard, Head of Publicity
1979One Page of Love— Swinger
1979Love Story
1978Auditions— Larry Krantz
1978A Taste of Sugar— Larry Lawson (voice)
1978Hot Skin— Harry Baulls
1978Dracula Sucks— Henry
1978The Psychiatrist— Detective
1978Lust Flight 2000
1977Fantasm Comes Again— Mr. Davis / Tony
1977Young, Hot 'n Nasty Teenage Cruisers— Professor Flinch
1977Paul, Lisa and Caroline— Peter
1976Fantasm— Host
1976Hollywood She-Wolves— Doug Kramer
1976The Lollipop Girls in Hard Candy
1975Black Lolita— Technician (uncredited)
1975Marilyn and the Senator— The Senator
1974The Specimen
1974The Playmates in Deep Vision 3-D
1974Panorama Blue— Guest
1974Flesh Gordon— Fleeing Citizen (uncredited)
1973The California Connection— Slim (as Bill Margold)
1972The Goddaughter— Dummy
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