Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Star Wars: Episode VII - Das Erwachen der Macht | 2015 | |
| Writer | Star Wars: Episode V – Das Imperium schlägt zurück | 1980 | |
| Writer | Star Wars: Episode VI – Die Rückkehr der Jedi-Ritter | 1983 | |
| Writer | Solo – A Star Wars Story | 2018 | |
| Executive producer | Solo – A Star Wars Story | 2018 | |
| Writer | Jäger des verlorenen Schatzes | 1981 | |
| Writer | Bodyguard | 1992 | |
| Producer | Bodyguard | 1992 | |
| Actor | Besser geht's nicht | 1997 | Dr. Green |
| Writer | Rezept zum Verlieben | 2007 | |
| Director | Dreamcatcher | 2003 | |
| Writer | Dreamcatcher | 2003 | |
| Producer | Dreamcatcher | 2003 | |
| Actor | Five Came Back | Himself | |
| Director | French Kiss | 1995 | |
| Executive producer | Light & Magic | ||
| Producer | In the Land of Women | 2007 | |
| Actor | Empire of Dreams - Die Geschichte der Star Wars Trilogie | 2004 | Himself |
| Director | The Outlaws | 1985 | |
| Writer | The Outlaws | 1985 | |
| Producer | The Outlaws | 1985 | |
| Director | Wyatt Earp - Das Leben einer Legende | 1994 | |
| Writer | Wyatt Earp - Das Leben einer Legende | 1994 | |
| Producer | Wyatt Earp - Das Leben einer Legende | 1994 | |
| Director | Der große Frust | 1983 | |
| Writer | Der große Frust | 1983 | |
| Producer | Der große Frust | 1983 | |
| Director | Heißblütig - Kaltblütig | 1981 | |
| Writer | Heißblütig - Kaltblütig | 1981 | |
| Actor | Indiana Jones: Making the Trilogy | 2003 | Himself |
| Director | Ich liebe dich zu Tode | 1990 | |
| Actor | Kopfüber in die Nacht | 1985 | Detective #2 |
| Director | Die Reisen des Mr. Leary | 1988 | |
| Writer | Die Reisen des Mr. Leary | 1988 | |
| Producer | Die Reisen des Mr. Leary | 1988 | |
| Director | Darling Companion - Ein Hund fürs Leben | 2012 | |
| Writer | Darling Companion - Ein Hund fürs Leben | 2012 | |
| Producer | Darling Companion - Ein Hund fürs Leben | 2012 | |
| Producer | Verliebt in Sally | 1998 | |
| Director | Grand Canyon – Im Herzen der Stadt | 1991 | |
| Writer | Grand Canyon – Im Herzen der Stadt | 1991 | |
| Producer | Grand Canyon – Im Herzen der Stadt | 1991 | |
| Writer | Zwei wie Katz und Maus | 1981 | |
| Actor | Star Wars: The Magic & the Mystery | 1997 | Lawrence Kasdan |
| Actor | The Force Is with Them: The Legacy of Star Wars | 2004 | Self - Screenwriter, 'The Empire Strikes Back' |
| Director | Dr.Mumford | 1999 | |
| Writer | Dr.Mumford | 1999 | |
| Producer | Dr.Mumford | 1999 | |
| Producer | Die Second-Hand-Familie | 1989 |