Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Shrek - Der tollkühne Held | 2001 | ADR Group (voice) |
| Actor | Madagascar 2 | 2008 | ADR Group (voice) |
| Actor | Monsters vs Aliens | 2009 | ADR Group (voice) |
| Actor | Ben 10 | Grey Matter | |
| Actor | Helluva Boss | Crimson | |
| Actor | The Christmas Chronicles | 2018 | Additional Voices (voice) |
| Actor | Angry Birds - Der Film | 2016 | Loop Group (voice) |
| Actor | EuroTrip | 2004 | ADR Performers (voice) |
| Actor | Power Rangers | Alpha 5 | |
| Actor | Die gruseligen Abenteuer von Billy und Mandy | Billy | |
| Actor | Die gruseligen Abenteuer von Billy und Mandy | Billy | |
| Actor | Hop - Osterhase oder Superstar | 2011 | ADR Voice Actors (voice) |
| Actor | Power Rangers: Once & Always | 2023 | Alpha 5 |
| Actor | Invader Zim | Invader Zim | |
| Actor | Ben 10: Destroy All Aliens | 2012 | Grey Matter |
| Actor | Die Biber Brüder | Daggett Beaver | |
| Actor | Invader Zim: Enter the Florpus | 2019 | Zim (voice) |
| Actor | Squirrel Boy | Rodney J. Esquilo | |
| Actor | Der Informant! | 2009 | Bob Zaiderman |
| Actor | Mighty Morphin Power Rangers: Alpha's Magical Christmas | 1994 | Alpha 5 |
| Actor | Tötet Mrs. Tingle! | 1999 | Voice Cast (voice) |
| Actor | Mighty Morphin Power Rangers: Live | 1996 | Alpha 5 (voice) |
| Actor | Billy and Mandy's Big Boogey Adventure | 2007 | Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz) |
| Actor | Summer School | 1987 | Alan Eakian |
| Actor | Saving Santa - Ein Elf rettet Weihnachten | 2013 | Orange Haired Elf |
| Actor | The Grim Adventures of the Kids Next Door | 2007 | Billy/Harold |
| Actor | Däumelinchen und Däumling | 2002 | Additional Voices (voice) |
| Actor | I Know That Voice | 2014 | Himself |
| Actor | Cartoon Network Christmas: Yuletide Follies | 2004 | Billy (Voice) |
| Actor | Underfist: Halloween Bash | 2008 | Billy / Harold / Pumpkin / Trick-or-Treater Eater |
| Actor | Billy & Mandy Save Christmas | 2005 | Billy |