| 2024 | Sleaze Please: The World of Bill Margold | Self | ★ 0.0 |
| 2021 | Larry Wessel's Palace of Wonders | Self | ★ 0.0 |
| 2021 | Erotophonophiliac: Documents of a Lust Murderer | | ★ 1.0 |
| 2018 | Porndemic | Self | ★ 5.8 |
| 2018 | Portraits of Andrea Palmer | John | ★ 4.5 |
| 2017 | A Taboo Identity | Himself | ★ 0.0 |
| 2016 | The Last Days of Joe Blow | Himself | ★ 2.0 |
| 2015 | The Second Coming | | ★ 7.0 |
| 2014 | Back Issues: The Hustler Magazine Story | Himself | ★ 6.1 |
| 2012 | After Porn Ends | Self | ★ 5.6 |
| 2012 | Inside Lara Roxx | Self | ★ 5.8 |
| 2008 | Not Quite Hollywood | Self | ★ 6.9 |
| 2006 | Ted Bundy: Natural Porn Killer | Self | ★ 0.0 |
| 2005 | Darkside | Dr. Black | ★ 6.0 |
| 2004 | Up in the Club: L.A. | | ★ 0.0 |
| 2004 | When Rated X Ruled the World | Self | ★ 0.0 |
| 2004 | She Devils in Pink | | ★ 0.0 |
| 2004 | John Holmes: The Man, the Myth, the Legend | | ★ 0.0 |
| 2003 | Eternal Virgins | | ★ 0.0 |
| 2003 | Aces in the Holes | Ratway / Non-sex | ★ 0.0 |
| 2003 | X-Rated Ambition: The Traci Lords Story | Himself | ★ 5.3 |
| 2002 | Too Many Blonde Moments | | ★ 0.0 |
| 2002 | The History of Hardcore | Self | ★ 4.0 |
| 2001 | Bad Girl | Self | ★ 6.0 |
| 2001 | Porn Star: The Legend of Ron Jeremy | Self | ★ 5.9 |
| 2000 | Give Me Your Soul... | Self | ★ 7.3 |
| 1999 | Eye Candy Refocused | | ★ 0.0 |
| 1999 | Rated X: A Journey Through Porn | Self, Dr. Yes | ★ 5.9 |
| 1998 | Blondage: Extreme Close-Up | Non-Sex Role | ★ 0.0 |
| 1998 | Porn... It's a Living | Self | ★ 0.0 |
| 1997 | Deep Throat - The Quest II: Jail Break | | ★ 0.0 |
| 1997 | Deep Throat - The Quest | | ★ 0.0 |
| 1995 | Ultimate Fantasy | Narrator | ★ 0.0 |
| 1995 | Swedish Erotica 93 | | ★ 0.0 |
| 1993 | Nympho Zombie Coeds | | ★ 0.0 |
| 1993 | Hush... My Mother Might Hear Us | | ★ 0.0 |
| 1992 | Seymore Butts Rides Again | Uncle Mo | ★ 0.0 |
| 1991 | The Anus Family | Gonzo Anus | ★ 7.0 |
| 1990 | Midnight Fire | | ★ 5.0 |
| 1990 | Eternal Bliss | | ★ 0.0 |
| 1990 | Playpen of the Damned | Himself | ★ 0.0 |
| 1990 | Night Temptress | Doctor (Voice) (as Mr. Stubbs) | ★ 0.0 |
| 1990 | Aussie Exchange Girls | | ★ 0.0 |
| 1989 | The Mystery of the Golden Lotus | | ★ 7.0 |
| 1989 | Voodoo Lust: The Possession | Bartender | ★ 6.0 |
| 1989 | Butts Motel 3 | Norman Butts | ★ 0.0 |
| 1988 | Max Bedroom | | ★ 6.0 |
| 1988 | Maxine | T.V. Announcer | ★ 0.0 |
| 1988 | Born to Burn | | ★ 0.0 |
| 1988 | Future Sodom | The Instructor | ★ 1.0 |
| 1988 | Chicks in Black Leather | (archive footage) | ★ 0.0 |
| 1988 | Jack Hammer | | ★ 0.0 |
| 1988 | Inner Blues | Rocky | ★ 3.0 |
| 1987 | Divorce Court Expose 2 | | ★ 5.0 |
| 1987 | Sex Sensations | (archive footage) | ★ 3.0 |
| 1987 | Sex Drive 2020 | Dr. Johnson | ★ 0.0 |
| 1987 | Don't Get Them Wet!!!! | Joe The Storekeeper | ★ 4.0 |
| 1987 | Born to be Maid | Chef Weener (as William Maragold) | ★ 0.0 |
| 1987 | The Cat Club | Doctor Burmese (as Bill Margold) | ★ 0.0 |
| 1987 | Let's Talk Dirty | | ★ 0.0 |
| 1987 | Divorce Court Expose | Judge Beaulieu | ★ 0.0 |
| 1987 | Born to be Wild | | ★ 0.0 |
| 1986 | Little American Maid | The Master | ★ 0.0 |
| 1986 | Midnight Zone | | ★ 0.0 |
| 1986 | Nudes at Eleven | Mohair Kuntjockey | ★ 4.0 |
| 1986 | 69 Minutes Evening News 1 | | ★ 0.0 |
| 1986 | Good to the Last Drop | (archive footage) | ★ 0.0 |
| 1986 | Dr. Strange Sex | Comrade General Olaf | ★ 0.0 |
| 1986 | Double Standards | The Narrator (voice) | ★ 0.0 |
| 1986 | Chastity And The Starlets | Father Comstack / The Guardian / Daddy | ★ 6.0 |
| 1985 | A Night For Legends | Self - XRCO Member | ★ 0.0 |
| 1985 | Sweet Surrender | "Hot Times" Reporter | ★ 0.0 |
| 1985 | Blue Ice | Wolfgang | ★ 6.1 |
| 1985 | Corporate Assets | Police Officer | ★ 7.1 |
| 1985 | Flesh and Bullets | Russ - Wrestler | ★ 4.8 |
| 1985 | Cunning Coeds | | ★ 6.0 |
| 1985 | The Good Time Girls | | ★ 0.0 |
| 1985 | The Eyes of Eddie Mars | | ★ 0.0 |
| 1984 | Stiff Competition | Bookie (uncredited) | ★ 7.2 |
| 1984 | Erotic Radio WSEX | Woodley | ★ 4.0 |
| 1984 | The Other Side of Lianna | | ★ 0.0 |
| 1984 | I Wanna Be Teased! | The Father | ★ 7.0 |
| 1984 | Sheer Delight | The Twins | ★ 4.0 |
| 1984 | Passionate Lee | Lee's Agent | ★ 0.0 |
| 1984 | Dial 'F' For Fantasy | | ★ 0.0 |
| 1984 | Fantasy Follies II | | ★ 0.0 |
| 1984 | Endless Lust | Mr. Shepner (archive footage) | ★ 0.0 |
| 1983 | Marathon | | ★ 6.0 |
| 1983 | Heiße Saat | "Big Dick" | ★ 5.7 |
| 1983 | Fantasy Follies | Guy in Kay's Movie / Slate Operator | ★ 0.0 |
| 1983 | Flesh and Laces | The Senator | ★ 7.0 |
| 1983 | Little Girls Lost | Jack | ★ 0.0 |
| 1983 | Flesh Pond | Magazine Publisher | ★ 3.0 |
| 1983 | Bodies in Heat | Detective | ★ 7.0 |
| 1983 | A Lacy Affair | The Doctor | ★ 0.0 |
| 1983 | 'A Bit' Too Much Too Soon | | ★ 3.8 |
| 1983 | Feels Like Silk | Major den Schul | ★ 3.0 |
| 1982 | Pleasure Dome | The Pool Man | ★ 0.0 |
| 1982 | Lust Inferno | Reverend Jerry | ★ 6.3 |
| 1982 | Desire | Old Tobias | ★ 10.0 |
| 1982 | Love Goddesses | | ★ 4.8 |
| 1982 | Girl from S.E.X. | Mr. 'Big' | ★ 6.0 |
| 1982 | Casanova 2 | William Margold / Guy in the News | ★ 7.5 |
| 1982 | Schule der intimen Wünsche | The Chauffeur | ★ 6.0 |
| 1982 | Stephanie's Lust Story | The Agent (archive footage) | ★ 0.0 |
| 1981 | Any Time Any Place | Security Guard | ★ 3.5 |
| 1981 | Olympic Fever | Coach Rod | ★ 4.0 |
| 1981 | Fast Cars Fast Women | Track Manager (Bill Margold) | ★ 7.3 |
| 1981 | Las Vegas Girls | The Party Host | ★ 7.0 |
| 1981 | Ring der Begierde | Rick Kelly | ★ 0.0 |
| 1980 | Plato's: The Movie | Roger Meade (uncredited) | ★ 5.0 |
| 1980 | The Master and Ms. Johnson | Marlaid | ★ 0.0 |
| 1980 | Tinseltown | Morty Green (NonSex) | ★ 5.3 |
| 1980 | Weekend Fantasy | John | ★ 0.0 |
| 1980 | Night Flight | | ★ 0.0 |
| 1979 | One Page Of Love | Swinger | ★ 4.5 |
| 1979 | Pink Champagne | Richard, Head of Publicity | ★ 0.0 |
| 1979 | High School Report Card | | ★ 0.0 |
| 1979 | The Producer's Wife | | ★ 0.0 |
| 1979 | Superware Party | Lionel Smithers | ★ 0.0 |
| 1978 | Lust Flight 2000 | | ★ 0.0 |
| 1978 | Liebling, Du beißt so gut | Henry | ★ 5.4 |
| 1978 | The Psychiatrist | Detective | ★ 0.0 |
| 1978 | Hot Skin | Harry Baulls | ★ 5.7 |
| 1978 | Auditions | Larry Krantz | ★ 5.1 |
| 1978 | A Taste of Sugar | Larry Lawson (voice) | ★ 0.0 |
| 1977 | Fantasm Comes Again | Mr. Davis / Tony | ★ 4.5 |
| 1977 | Young, Hot 'n Nasty Teenage Cruisers | Professor Flinch | ★ 5.0 |
| 1977 | Paul, Lisa and Caroline | Peter | ★ 0.0 |
| 1976 | The Lollipop Girls in Hard Candy | | ★ 5.5 |
| 1976 | Fantasm | Host | ★ 4.6 |
| 1976 | Hollywood She-Wolves | Doug Kramer | ★ 0.0 |
| 1975 | Marilyn and the Senator | The Senator | ★ 4.0 |
| 1975 | Black Lolita | Technician (uncredited) | ★ 3.5 |
| 1974 | Flesh Gordon | Fleeing Citizen (uncredited) | ★ 4.8 |
| 1974 | The Playmates in Deep Vision 3-D | | ★ 4.7 |
| 1974 | Panorama Blue | Guest | ★ 3.7 |
| 1974 | The Specimen | | ★ 0.0 |
| 1973 | The California Connection | Slim (as Bill Margold) | ★ 0.0 |
| 1972 | The Goddaughter | Dummy | ★ 2.5 |
