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, Denise Gough, Nathan Stewart-Jarrett, Patrick Stewart, Rebecca Ferguson, Dean Chaumoo, Tom Taylor, Rhianna Dorris, Angus Imrie, Noma Dumezweni, Mark Bonnar, Alexandra Roach, Genevieve O'Reilly, Nick Mohammed, Adam Buxton, Myra McFadyen, Claudie Blakley, Adam Leese, Joey Ansah
- Runtime : 120 minutes (2' 00")
- Genre : Action Adventure Fantasy Family
- Production : Working Title Films Big Talk Productions
- Release : January 16, 2019
- Countries : United Kingdom
- Languages : English