Bassie & Adriaan: The Secret of the Key (1978) — Cast
Cast
| Bas van Toor | Bassie |
| Aad van Toor | Adriaan |
| Willem Sibbelee | B1 |
| Harry Dikmans | B2 |
| Paul Meijer | Suzanne de Passe |
| Bas van Toor | Bassie |
| Aad van Toor | Adriaan |
| Willem Sibbelee | B1 |
| Harry Dikmans | B2 |
| Paul Meijer | Suzanne de Passe |