| Otto - Der Liebesfilm (1992) (AKA "Otto - The Romance Film") | (Not seen) |
| Pappa ante Portas (1991) | (Not seen) |
| Otto - Der Ausserfriesische (1989) (AKA "Otto - The Alien from East Frisia") | (Not seen) |
| Odipussi (1988) (AKA "Ödipussi") | (Not seen) |
| Otto - Der Neue Film (1987) (AKA "Otto - The New Movie") | (Not seen) |
| Der Fussganger (1973) (AKA "The Pedestrian") | (Not seen) |