Óscar Barberán
Tad Jones (voice)
Michelle Jenner
Sara Lavrof (voice)
Pep Anton Muñoz
Max Mordon (voice)
Miguel Ángel Jenner
Kopponen (voice)
Meritxell Ané
Young Tadeo (voice)
José Corbacho
Freddy (voice)
Carles Canut
Profesor Miguel Humbert (voice)
Félix Benito
Profesor Lavrof (voice)
Aleix Estadella
Voces adicionales (voice)
Rafa Parra
Voces adicionales (voice)
Marta Martorell
Abuela Tadeo (voice)