The story of a super-secret spy organization that recruits an unrefined but promising street kid into the agency's ultra-competitive training program just as a global threat emerges from a twisted tech genius.
Taron Egerton
as Gary 'Eggsy' Unwin
Colin Firth
as Harry Hart / Galahad
Samuel L. Jackson
as Valentine
Mark Strong
as Merlin
Sophie Cookson
as Roxy
Sofia Boutella
as Gazelle
Michael Caine
as Arthur
Hanna Alström
as Princess Tilde
Samantha Womack
as Michelle Unwin
Mark Hamill
as Professor Arnold
Jonno Davies
as Lee Unwin
Jack Davenport
as Lancelot
