| Movie | Role |
|---|---|
| The Madness of King George (1994) | Willis |
| The Lord of the Rings: The Fellowship of the Ring (2001) | Bilbo |
| The Fifth Element (1997) | Cornelius, Father Vito Cornelius |
| Big Night (1996) | Pascal |
| Lord of War (2005) | Simeon Weisz |
| eXistenZ (1999) | Kiri Vinokur |
| Ratatouille (2007) | Skinner (voice) |
| The Aviator (2004) | Professor Fitz |
| Naked Lunch (1991) | Tom Frost |
| Alien (1979) | Ash |
| Garden State (2004) | Gideon Largeman |
| Night Falls on Manhattan (1997) | Liam Casey |
| Brazil (1985) | Mr. Kurtzmann, Mr. M. Kurtzmann |