The characters in who speak in Through the Looking-Glass are:
- Alice
- The White Queen
- The White King
- The Tiger-lily
- The Rose
- Some Daisies
- A Violet
- The Larkspur
- The Red Queen
- The (train) Guard
- A gentleman
- A Goat
- A Beetle
- A Horse
- The Gnat
- The Fawn
- Tweedledum
- Tweedledee
- The Sheep
- Humpty Dumpty
- Haigha
- Hatta
- The Unicorn
- The Lion
- The Red Knight
- The White Knight
- a creature with a long beak
- The Frog
- The Pudding
The Red King also features but doesn't speak.
There are also characters who are featured in the poems in the book, that don't actually feature in the story. The best known of these are:
- The father, son and Jabberwock in Jabberwocky
- The Walrus
- The Carpenter
- The Oysters
