The Kid Who Would Be King tell story about "Old-school magic meets the modern world when young Alex stumbles upon the mythical sword Excalibur. He soon unites his friends and enemies, and they become knights who join forces with the legendary wizard Merlin. Together, they must save mankind from the wicked enchantress Morgana and her army of supernatural warriors..".
Cast : Louis Ashbourne Serkis, Dean Chaumoo, Tom Taylor, Rhianna Dorris, Denise Gough, Angus Imrie, Patrick Stewart, Rebecca Ferguson, Genevieve O'Reilly, Noma Dumezweni, Nathan Stewart-Jarrett, Mark Bonnar, Alexandra Roach, Nick Mohammed, Adam Buxton, Claudie Blakley, Myra McFadyen, Adam Leese, Joey Ansah
- Runtime : 120 minutes (2' 00")
- Genre : Action Adventure Fantasy Family
- Production : Working Title Films Big Talk Productions TSG Entertainment 20th Century Fox
- Release : January 16, 2019
- Countries : United Kingdom
- Languages : English