Tentacolino, or "In Search for the Titanic" tells the story of the familiar characters Juan and Elizabeth, along with their mice friends Top Connors and Ronnie and their bring-along-dog Smile. After the five end up in a submarine accident, they’re taken to the wonderful lost city of Atlantis. There they discover a rebellion of rats who want to break free from the city and take over the world.
| Actor | Role |
|---|---|
 Oliviero DinelliTentacolino (voice) | Tentacolino (voice) |
 Barbara De BortoliElizabeth (voice) | Elizabeth (voice) |
 Fabio BoccaneraDon Juan (voice) | Don Juan (voice) |
 Stefano MondiniSmile (voice) | Smile (voice) |
 Rodolfo BianchiRe di Atlantide (voice) / Amazzone del mare #2 (voice) | Re di Atlantide (voice) / Amazzone del mare #2 (voice) |
| BBeatrice MargiottiRegina di Atlantide (voice) | Regina di Atlantide (voice) |
 Paolo BuglioniDenti di Ghiaccio (voice) | Denti di Ghiaccio (voice) |
| RRoberto Del GiudicePimgio (voice) | Pimgio (voice) |
 Sergio LuziRonnie (voice) | Ronnie (voice) |
 Stefano CrescentiniTop Connors (voice) | Top Connors (voice) |
 Fabrizio VidaleCutter (voice) | Cutter (voice) |
 Christian IansanteBarone Von Tilt (voice) | Barone Von Tilt (voice) |
| EEmanuela D'AmicoAmazzone del mare #1 (voice) | Amazzone del mare #1 (voice) |
 Luigi FerraroTopo corsaro (voice) | Topo corsaro (voice) |
 Manfredi AliquòTopo cinese (voice) | Topo cinese (voice) |