Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Director | Gremlins - Kleine Monster | 1984 | |
| Director | Gremlins 2 - Die Rückkehr der kleinen Monster | 1990 | |
| Actor | Beverly Hills Cop III | 1994 | Jailer |
| Director | Looney Tunes: Back in Action | 2003 | |
| Director | Small Soldiers | 1998 | |
| Director | Meine teuflischen Nachbarn | 1989 | |
| Director | The Hole - Wovor Hast Du Angst? | 2009 | |
| Actor | Piranhas | 1978 | |
| Director | Piranhas | 1978 | |
| Director | Die Reise ins Ich | 1987 | |
| Director | Twilight Zone - Unheimliche Schattenlichter | 1983 | |
| Actor | Schlafwandler | 1992 | Lab Assistant |
| Actor | Tales of Halloween | 2015 | Prof. Milo Gottlieb |
| Director | Das Tier | 1981 | |
| Director | Weg mit der Ex | 2014 | |
| Director | Explorers – Ein phantastisches Abenteuer | 1985 | |
| Director | Nightmare Cinema | 2019 | |
| Actor | Das Schweigen der Hammel | 1994 | Dying Man |
| Director | Matinee | 1993 | |
| Actor | Butterfly Room - Vom Bösen besessen | 2012 | Cab Driver |
| Writer | Rock 'n' Roll High School | 1979 | |
| Director | Rock 'n' Roll High School | 1979 | |
| Actor | Sad Hill Unearthed | 2018 | Himself |
| Actor | Cannonball | 1976 | Kid |
| Director | Amazonen auf dem Mond | 1987 | |
| Producer | Camp Cold Brook | 2018 | |
| Director | Homecoming | 2005 | |
| Actor | Nightmares in Red, White and Blue - Die Evolution des amerikanischen Horror-Films | 2009 | Himself |
| Director | The Second Civil War - Die Kriegsmacher | 1997 | |
| Actor | Ufos, Sex und Monster - Das wilde Kino des Roger Corman | 2011 | himself |
| Director | The Screwfly Solution | 2006 | |
| Director | Trapped Ashes | 2006 |