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

Jack Davenport

Lancelot

Adrian Quinton

Terrorist

Alex Nikolov

Little Eggsy

Velibor Topic

Big Goon

Geoff Bell

Dean

Jordan Long

Poodle

Theo Barklem-Biggs

Ryan

Tobi Bakare

Jamal

Morgan Watkins

Rottweiler

Paul Kennington

Barman

Ralph Ineson

Policeman

Nicholas Banks

Digby

Jack Cutmore-Scott

Rufus

Nicholas Agnew

Nathaniel

Rowan Polonski

Piers

Tom Prior

Hugo

Fiona Hampton

Amelia

Bjørn Floberg

Scandinavian Prime Minister

Johanna Taylor

Valentine's Assistant 1

Lily Travers

Lady Sophie

Richard Brake

The Interrogator

Andrew Bridgmont

Kingsman Tailor

Corey Johnson

Church Leader

Anne Wittman

Church Blonde Woman

Andrei Lenart

Arctic Guard

Simon Green

Valentine's Butler

Sarah Hewson

Sky News Reader

Jayne Secker

Sky News Reader

Carlos Peres

Kingsman Knight

Jude Poyer

Church Goer (uncredited)

Daniel Chapple

Business Elite (uncredited)