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, Rebecca Ferguson, Tom Taylor, Denise Gough, Dean Chaumoo, Rhianna Dorris, Patrick Stewart, Angus Imrie, Genevieve O'Reilly, Nathan Stewart-Jarrett, Nick Mohammed, Mark Bonnar, Noma Dumezweni, Alexandra Roach, 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