Justin and the Knights of Valour 2 is a sequel to the 2013 animated film Justin and the Knights of Valour. The film will be written by Matthew Jacobs and Jonathan Roberts.
All of the cast reprise their roles in the films.
After the defeat of Heraclio, Justin and Talia must go on a quest for an unknown adventure
- Freddie Highmore as Justin, a boy who dreams of becoming a knight. He is shy, has a slight build, and is clumsy. However, he's also brave, true of heart, smart, and rather handsome.
- Saoirse Ronan as Talia, a girl who is a former barmaid and falls deeply in love with Justin. She is beautiful for her age with long, brown hair, is skilled at fighting, quick-witted, loves adventure, and cares for others greatly.
- James Cosmo as Blucher, one of the monks, a former knight and Sir Roland's best friend.
- Charles Dance as Legantir, the head monk
- Tamsin Egerton as Lara, Justin's former crush and the daughter of the kingdom's pioneer economic. She has blonde hair, has many dresses and makeup, and is rather selfish and insensitive to others feelings.
- Barry Humphries as Braulio, a monk and inventor
- Alfred Molina as Reginald, Justin's father. He is the chief lawyer of the kingdom and vehemently against knights.
- David Walliams as Melquiades / Karolius, a wizard with a bizarre split personality that accompanies Justin and Talia on their travels.
- Julie Walters as Grandma Lilly, Justin's grandmother and Reginald's mother.
- Olivia Williams as the Queen of Gabylonia, the governor of the kingdom. Following her husband's murder, she outlawed all knights.