Ralph Brown was born on June 18, 1957. He is an actor and writer.
| Movie | Scala!!! | Self | 2024-01-05 |
| Movie | Genie | Sorcerer | 2023-11-22 |
| Movie | An Accidental Studio | Self | 2019-07-12 |
| Movie | Gemini Man | Del Patterson | 2019-10-02 |
| Movie | Final Score | Steed | 2018-09-07 |
| Movie | Reg | Bob Clay | 2016-06-06 |
| Movie | Jackie | Dave Powers | 2016-12-02 |
| Movie | Hard Tide | Gaz | 2015-07-09 |
| Series | Marvel's Agent Carter | Dr. Ivchenko | 2015-01-06 |
| Series | The Assets | Wallace Austin | 2014-01-02 |
| Series | Legends | Terrence Graves | 2014-08-13 |
| Movie | Stoker | Sheriff Howard | 2013-02-28 |
| Movie | Jack the Giant Slayer | General Entin | 2013-02-27 |
| Movie | All Things To All Men | McDeer | 2013-04-05 |
| Movie | I, Anna | George Stone | 2012-03-03 |
| Movie | Dark Tide | Brady | 2012-03-28 |
| Series | Elementary | Tim Sherrington | 2012-09-27 |
| Series | The Poison Tree | Max Capel | 2012-12-10 |
| Movie | Tower Block | Neville | 2012-09-19 |
| Movie | Killing Bono | Leo | 2011-04-01 |
| Movie | Mission London | Detective Collway | 2010-04-16 |
| Series | Him & Her | Niguel | 2010-09-06 |
| Movie | The Kid | Gordon Peters | 2010-04-22 |
| Movie | SUS | Karn | 2010-05-07 |
| Movie | Huge | Neil | 2010-06-18 |
| Movie | The Boat That Rocked | Bob | 2009-04-01 |
| Movie | Caught in the Act | Joep Schut | 2008-01-04 |
| Movie | Schrader's Exorcism | Self | 2008-08-23 |
| Movie | Flood | Mel's Dad Neil | 2007-08-24 |
| Movie | Straightheads | Jamie | 2007-04-27 |
| Movie | The Contractor | Jeremy Collins | 2007-05-11 |
| Series | Meadowlands | Wintersgill | 2007-06-17 |
| Series | Life on Mars | Unknown | 2006-01-09 |
| Series | Rich Hall's Cattle Drive | 2006-01-12 | |
| Series | Modern Toss | 2006-07-11 | |
| Movie | Puritan | Mickey Conway | 2006-11-10 |
| Movie | Dominion: Prequel to The Exorcist | Sergeant Major | 2005-05-20 |
| Movie | Stoned | Gysin | 2005-11-18 |
| Movie | Exorcist: The Beginning | Sergeant Major | 2004-08-20 |
| Movie | I'll Be There | Digger | 2003-06-13 |
| Movie | Wreckage and Rage: Making 'Alien³' | Self (archive footage) | 2003-12-02 |
| Series | Spooks | Unknown | 2002-05-13 |
| Movie | Lenny Blue | Barry Hindes | 2002-07-01 |
| Movie | The Final Curtain | Timothy | 2002-10-12 |
| Series | Waking the Dead | Unknown | 2001-06-18 |
| Movie | Last Run | 2001-07-01 | |
| Movie | Mean Machine | Burton | 2001-12-26 |
| Movie | Alien Evolution | Self / 'Aaron' | 2001-10-12 |
| Movie | New Year's Day | Mr. Diamond | 2000-01-01 |
| Series | Lock, Stock... | Miami Vice | 2000-05-29 |
| Movie | Star Wars: Episode I - The Phantom Menace | Ric OliƩ | 1999-05-19 |
| Series | Cleopatra | Guevarius | 1999-05-23 |
| Series | The Last Train | Unknown | 1999-04-07 |
| Series | Extremely Dangerous | Joe Connor | 1999-11-11 |
| Movie | Withnail and Us | Self | 1999-08-04 |
| Movie | The Hurricane | Federal Court Assistant Prosecutor | 1999-09-17 |
| Movie | Up 'n' Under | Phil | 1998-01-23 |
| Series | A Respectable Trade | Dr. Hadley | 1998-04-19 |
| Series | Ivanhoe | Prince John | 1997-01-12 |
| Movie | The Place of the Dead | Sgt Bob Mann | 1997-01-18 |
| Movie | Amistad | Lieutenant Gedney | 1997-12-10 |
| Series | Jonathan Creek | Unknown | 1997-05-09 |
| Series | Lexx | Unknown | 1997-04-18 |
| Series | Dalziel & Pascoe | Sam Connon | 1996-03-16 |
| Series | Karaoke | Peter Beasley | 1996-04-28 |
| Movie | Requiem Apache | Mick | 1994-10-11 |
| Movie | Undercover Blues | Leamington | 1993-09-10 |
| Movie | Wayne's World 2 | Del Preston | 1993-12-10 |
| Movie | Alien³ | Aaron | 1992-05-22 |
| Movie | The Crying Game | Dave | 1992-09-02 |
| Series | A Touch of Frost | Unknown | 1992-12-06 |
| Movie | Impromptu | Eugene Delacroix | 1991-04-12 |
| Movie | Chameleon Street | St. Just | 1991-04-24 |
| Movie | The Pope Must Die | Doctor | 1991-06-21 |
| Movie | A Curious Suicide | 1990-06-02 | |
| Movie | Diamond Skulls | Jack | 1990-06-08 |
| Movie | Scandal | Paul Mann | 1989-03-03 |
| Series | Rules of Engagement | Mick Rendall | 1989-06-12 |
| Movie | The Black and Blue Lamp | Insp. Drury | 1988-09-07 |
| Movie | Buster | Ronny Biggs | 1988-09-16 |
| Movie | Coppers | 1988-10-16 | |
| Movie | Withnail & I | Danny | 1987-06-19 |
| Movie | Mauvais Sang | 1986-11-26 | |
| Movie | London's Burning: The Movie | Policeman | 1986-12-07 |
| Movie | Black Arrow | Yardley | 1985-10-09 |
| Movie | The Hit | Second Man | 1984-09-07 |
| Movie | The Merry Wives of Windsor | John | 1982-12-28 |
| Movie | Final Exam | Wildman | 1981-06-05 |
| Movie | The Crash of Flight 401 | 1978-10-29 | |
| Series | The BBC Television Shakespeare | Unknown | 1978-12-03 |
| Series | Van der Valk | Unknown | 1972-09-13 |
| Movie | Valdez Is Coming | Beaudry | 1971-04-09 |
| Movie | Hannie Caulder | San Angelo Sheriff (uncredited) | 1971-11-08 |
| Movie | The Hunting Party | Sheriff | 1971-07-16 |
| Movie | The Last Day of the War | Maj. Garrick | 1970-08-10 |
| Movie | The Fickle Finger of Fate | Jaffe | 1967-06-25 |
| Movie | No Time To Kill | 1963-01-02 | |
| Movie | The Devil's Messenger | Charlie | 1961-01-01 |
| Movie | Hällebäcks gård | Arvid, the American Uncle | 1961-09-17 |
| Series | 13 Demon Street | Unknown | 1959-01-01 |
| Movie | Blonde in Bondage | Mulligan | 1957-11-08 |
| Movie | Foreign Intrigue | Smith | 1956-06-28 |