* Ratty: Mole's best friend, a wise and resourceful water rat.
* Badger: A grumpy but kind-hearted badger who lives in the Wild Wood.
* Toad: A wealthy and carefree toad who loves to drive his motorcar.
* Otter: A friendly and playful otter who lives along the river.
* Chief Rabbit: The leader of the rabbits who live in the Wild Wood.
* Willow the wisp: A mysterious creature who lives in the Wild Wood and helps Mole and Ratty on their journey.