 | Demetri Martin: Demetri Deconstructed (2024) als Himself |
 | Weird: The Al Yankovic Story (2022) als Tiny Tim |
 | We Bare Bears: The Movie (2020) als Ice Bear (voice) |
 | Demetri Martin: The Overthinker (2018) als Himself |
 | Dean (2016) als Dean |
 | The Last Time You Had Fun (2015) als Will |
 | Demetri Martin: Live (At The Time) (2015) als Self |
 | Sequoia (2014) als Steve |
 | In a World... (2013) als Louis Parker |
 | Demetri Martin: Standup Comedian (2012) als Himself |
 | Contagion (2011) als David Eisenberg |
 | Take Me Home Tonight (2011) als Carlos |
 | Taking Woodstock (2009) als Elliot Teichberg |
 | Post Grad (2009) als TV Commercial Producer (uncredited) |
 | Paper Heart (2009) als Himself |
 | The Rocker (2008) als Kip |
 | Demetri Martin. Person. (2007) als Himself |
 | Demetri Martin: These Are Jokes (2006) als Self |
| | “The Place Where My Jokes Come From”-Demetri Martin (2004) |
 | Demetri Martin: If I (2004) als Himself |
 | Analyze That (2002) als Personal Assistant |
| | Demetri Martin: Demetri Deconstructed Director |
| | Demetri Martin: Demetri Deconstructed Writer |
| | Demetri Martin: The Overthinker Writer |
| | Demetri Martin: The Overthinker Executive Producer |
| | Dean Director |
| | Dean Writer |
| | Demetri Martin: Live (At The Time) Writer |
| | Demetri Martin: Live (At The Time) Executive Producer |
| | Demetri Martin: Standup Comedian Writer |
| | Demetri Martin: Standup Comedian Producer |
| | Demetri Martin. Person. Writer |
| | “The Place Where My Jokes Come From”-Demetri Martin Writer |
| | Demetri Martin: If I Writer |
| | Will Writer |