Marcus Lyle Brown (born 26 December 1970 New Iberia, Louisiana) is an American film and television actor.
| Year | Title | Role | Notes |
|---|---|---|---|
| 1995 | Dead Man Walking | Parole Board Member | Film Debut; Uncredited |
| 1996 | Schizopolis | Corporate Mole | Uncredited |
| The Big Easy | Martin | TV | |
| 1997 | Eve's Bayou | Hosea | |
| 1998 | Black Jag | Lacey Blackman | TV movie |
| Solitude Point | Tim Porter | ||
| 1999 | Lush | Rookie Cop | |
| 2001 | Monster's Ball | Phil Huggins | |
| 2002 | The Badge | Deputy Jackson | |
| 2003 | Tough Luck | Popeye | |
| 2004 | Torn Apart | Security | TV Movie |
| The Madam's Family: The Truth About the Canal Street Brothel | Court Clerk | TV Movie | |
| Heart of the Storm | Juke | TV Movie | |
| 2005 | The Shield | Cromo | TV |
| Locusts | FBI Agent | TV Movie | |
| Heartless | ICU Doctor | TV Movie | |
| Elvis | Wynonie Harris | TV | |
| Venom | Terry Parker | As Marcus Brown | |
| 2006 | Big Momma's House 2 | Erskine | |
| Thief | Surgeon | TV Series | |
| Mammoth | Agent Whitaker | TV Movie | |
| One Tree Hill | Father Gillespie | TV Series | |
| Life Is Not a Fairy Tale: The Fantasia Barrino Story | Producer Two | TV Movie | |
| Prison Break | Fed #1 | TV | |
| The Year Without a Santa Claus | Officer Jefferson | TV Movie | |
| 2007 | Premonition | Bob | |
| The Great Debaters | Howard Debater #1 | ||
| 2008 | Who Do You Love | Jess | |
| 2009 | I Love You Phillip Morris | Young Doctor | |
| Wolvesbayne | Konstantinos | TV Movie | |
| Hurricane Season | Jonathan's Father | ||
| The Dunwich Horror' | Father Endelade | TV Movie | |
| 2010 | House of Bones | Greg Fisher | TV Movie; as Marcus L. Brown |
| Pregnancy Pact | Doctor | TV Movie | |
| Quantum Apocalypse | Carson | TV Movie | |
| My Own Love Song | NOLA Police #1 | ||
| The Gates | Medical Examiner | TV | |
| Revenge of the Bridesmaids | Detective Ramirez | TV Movie | |
| Drop Dead Diva | A.D.A. Paul Saginaw | TV | |
| Snatched | Jay the Anchorman | ||
| 2011 | Swamp Shark | Deputy Cooper | TV Movie; |
| Texas Killing Fields | CSI | ||
| Seeking Justice | Detective Green | Post-Production | |
| 2012 | Bending the Rules | Cop #5 | Post-Production |