Richard O'Brien is an English actor, television presenter, writer and theatre performer. O'Brien was born Richard Timothy Smith in Cheltenham, Gloucestershire, England. In 1951, the family emigrated to Tauranga, New Zealand but he moved back to England in 1964. On becoming an actor, he changed his name to Richard O'Brien (his maternal grandmother's surname).
| Movie | Tiny Little Voices | 2025-04-04 | |
| Movie | Rocky Horror 45: The Movie | Self | 2021-05-24 |
| Movie | Phineas and Ferb the Movie: Candace Against the Universe | Lawrence Fletcher (voice) | 2020-08-27 |
| Movie | Life After Flash | Self | 2017-10-02 |
| Movie | The Stolen | Mr. Russell | 2017-10-29 |
| Movie | Phineas and Ferb: Last Day of Summer | Lawrence (voice) | 2015-06-15 |
| Movie | How We Built the Bomb | General Groves | 2015-07-16 |
| Movie | Rocky Horror Show Live | Narrator | 2015-11-17 |
| Movie | Phineas and Ferb Save Summer | Lawrence Fletcher (voice) | 2014-06-09 |
| Movie | Phineas and Ferb: Night of the Living Pharmacists | Lawrence Fletcher (voice) | 2014-10-04 |
| Movie | Phineas and Ferb: Star Wars | Lawrence Fletcher / Additional Voices (voice) | 2014-07-26 |
| Movie | Phineas and Ferb: The Perry Files - Animal Agents | Lawrence Fletcher (voice) | 2013-02-26 |
| Movie | Phineas and Ferb: Mission Marvel | Lawrence Fletcher (voice) | 2013-08-16 |
| Movie | Phineas and Ferb The Movie: Across the 2nd Dimension | Lawrence Fletcher / Lawrence-2 (voice) | 2011-08-05 |
| Movie | The British Guide to Showing Off | 2011-11-11 | |
| Movie | Phineas and Ferb: Summer Belongs to You! | Lawrence Fletcher (voice) | 2010-08-02 |
| Movie | Night Train | Mrs. Froy | 2009-04-15 |
| Movie | Phineas and Ferb Christmas Vacation! | Lawrence Fletcher (voice) | 2009-12-07 |
| Movie | Rocky Horror Tribute Show | Himself - Host | 2008-10-14 |
| Series | Phineas and Ferb | Lawrence Fletcher (voice) | 2007-08-17 |
| Series | The Ten Commandments | Anander | 2006-04-10 |
| Movie | Midnight Movies: From the Margin to the Mainstream | Self | 2006-06-20 |
| Movie | The Children's Party at the Palace | The Childcatcher (Chitty Chitty Bang Bang) | 2006-06-25 |
| Series | Spicks and Specks | Unknown | 2005-01-31 |
| Movie | The Perfect Scary Movie | Self | 2005-10-29 |
| Movie | Elvira's Haunted Hills | Lord Vladimere Hellsubus | 2002-10-31 |
| Movie | Dungeons & Dragons | Xilus | 2000-12-08 |
| Series | Where Are They Now? | Unknown | 1999-06-07 |
| Movie | Behind the Music: The Rocky Horror Picture Show | Self | 1999-10-31 |
| Movie | EverAfter | Pierre Le Pieu | 1998-07-31 |
| Movie | Dark City | Mr. Hand | 1998-02-27 |
| Movie | Spice World | Damien | 1997-12-18 |
| Movie | The Rocky Horror Double Feature Video Show | Self | 1995-08-14 |
| Series | The Ink Thief | The Ink Thief | 1994-07-20 |
| Series | The Detectives | Dr. Phibes | 1993-01-27 |
| Series | The Crystal Maze | 1990-02-15 | |
| Movie | The Wolves of Willoughby Chase | James | 1989-12-15 |
| Movie | Revolution | Lord Hampton | 1985-12-25 |
| Series | Robin of Sherwood | Unknown | 1984-04-28 |
| Movie | Digital Dreams | Partridge, the Surly Servant | 1983-01-01 |
| Movie | The Rocky Horror Treatment | Self | 1981-02-04 |
| Movie | Shock Treatment | Dr. Cosmo McKinley / Kitchenware Announcer (voice) | 1981-08-21 |
| Movie | The Top of the Hill | Herb Ellsworth | 1980-02-06 |
| Movie | The Kids Who Knew Too Much | Commissioner Avery | 1980-04-29 |
| Movie | Flash Gordon | Fico | 1980-12-05 |
| Movie | An Audience with Dame Edna Everage | 1980-12-26 | |
| Movie | The Ordeal of Patty Hearst | Holman | 1979-03-04 |
| Movie | The Golden Gate Murders | Bridge Foreman | 1979-10-03 |
| Series | An Audience with... | Himself | 1978-01-08 |
| Movie | The Contraption | The Man | 1978-02-22 |
| Movie | Jubilee | John Dee | 1978-02-01 |
| Movie | The Two-Five | Chief | 1978-04-14 |
| Movie | Heaven Can Wait | Advisor to Former Owner | 1978-06-28 |
| Movie | The Odd Job | Batch | 1978-08-31 |
| Movie | Looking for Mr. Goodbar | Father Timothy | 1977-10-19 |
| Movie | The Pack | Dodge | 1977-11-20 |
| Movie | The Whiz Kid and the Carnival Caper | 1976-01-11 | |
| Movie | No Deposit, No Return | Capt. Boland | 1976-02-05 |
| Movie | The Shaggy D.A. | Desk Sergeant | 1976-12-17 |
| Movie | High Velocity | 1976-09-01 | |
| Movie | The Rocky Horror Picture Show | Riff Raff | 1975-08-14 |
| Movie | Returning Home | Mr. Cameron | 1975-04-29 |
| Movie | Three Men in a Boat | Chemist (Unconfirmed) | 1975-12-31 |
| Movie | Nightmare Honeymoon | Sheriff | 1974-09-20 |
| Movie | The Thief Who Came to Dinner | Sgt. Del Conte | 1973-03-01 |
| Movie | Zee and Co. | Party Guest | 1972-01-21 |
| Movie | The Loners | Driver | 1972-04-01 |
| Movie | The Honkers | Matt Weber | 1972-05-17 |
| Movie | Ransom for a Dead Man | Priest | 1972-10-09 |
| Movie | Incident in San Francisco | Jasper Mahoney | 1971-02-28 |
| Movie | The Andromeda Strain | Grimes | 1971-03-12 |
| Movie | Pieces of Dreams | Monsignor Francis Hurley | 1970-09-23 |
| Movie | Madigan | Det. O'Brien | 1968-03-29 |
| Movie | Rough Night in Jericho | Frank Ryan | 1967-08-01 |
| Movie | Chamber of Horrors | Dr. Romulus Cobb | 1966-10-19 |
| Movie | Carry On Cowboy | Rider (uncredited) | 1965-11-26 |