Geronimo Stilton: Thea Sister Power (Upcoming 2020s Movie)

An upcoming animated movie that involves Geronimo and his family to invite Thea's Mouseford Academy students to help them solve their first murder mystery. However, Geronimo and his rival Sally Ratmousen share a murder enemy who is also attempting to illegally shut down The Rodent's Gazette and The Daily Rat.

Voice Cast


 * Brian Drummond as Geronimo Stilton
 * Sarah Edmondson as Thea Stilton, Geronimo's younger sister
 * Richard Ian Cox as Trap Stilton, Geronimo and Thea's cousin
 * Erin Matthews as Benjamin Stiltion, Geronimo and Thea's nephew
 * Moncea Stori as Pandora Woz, Benjamin's best friend
 * Patricia Drake as Sally Ratmousen, Geronimo's rival
 * Maia Mitchell as Nicky, an Australian member of the Thea Sisters
 * Emma Watson as Colette, an French member of the Thea Sisters
 * Megan Lee as Violet, an Asian member of the Thea Sisters
 * Alli Fitz as Pamela, an African member of the Thea Sisters
 * Isabela Merced as Paulina, an Peruvian member of the Thea Sisters