When his Granny comes down with a mysterious ailment, Franklin and his friends must search for the treasure of Turtle Lake. This is said to be a talisman that can cure the illness.
| Actor | Role |
|---|---|
| LLouise ChekaNot listed | Not listed |
| KKevin SommierNot listed | Not listed |
 Ariane AggiageNot listed | Not listed |
 Isabelle VolpeNot listed | Not listed |
| IIvana CoppolaNot listed | Not listed |
| EEric PeterNot listed | Not listed |
| IIsabelle GanceMme Ours (voice) | Mme Ours (voice) |
 Benoît AllemaneM. Ours (voice) | M. Ours (voice) |
 Nathalie HomsDocteur Ours (voice) | Docteur Ours (voice) |
| LLaura PelerinsMamie jeune /Oisillon faucon 1 (voice) | Mamie jeune /Oisillon faucon 1 (voice) |
 Cathy CerdaMamie (voice) | Mamie (voice) |
 Jean LescotVieille Tortue (voice) | Vieille Tortue (voice) |
 Clara BorrasTante Lucie (voice) | Tante Lucie (voice) |
| VValentin MaupinPetit corbeau /Oisillon faucon 3 (voice) | Petit corbeau /Oisillon faucon 3 (voice) |
 Camille DondaSamantha (voice) | Samantha (voice) |
 Brigitte LecordierOisillon faucon 2 (voice) | Oisillon faucon 2 (voice) |
| GGwendoline SommierHarriette (voice) | Harriette (voice) |
 Véronique AugereauMme Faucon (voice) | Mme Faucon (voice) |