Taron Egerton

Gary 'Eggsy' Unwin

Colin Firth

Harry Hart / Galahad

Samuel L. Jackson

Valentine

Mark Strong

Merlin

Sophie Cookson

Roxy

Sofia Boutella

Gazelle

Michael Caine

Arthur

Edward Holcroft

Charlie

Hanna Alström

Princess Tilde

Samantha Womack

Michelle Unwin

Mark Hamill

Professor Arnold

Jonno Davies

Lee