 | Colin Firth als Harry Hart |
 | Julianne Moore als Poppy |
 | Taron Egerton als Eggsy |
 | Mark Strong als Merlin |
 | Halle Berry als Ginger |
 | Pedro Pascal als Whiskey |
 | Channing Tatum als Tequila |
 | Jeff Bridges als Champ |
 | Edward Holcroft als Charlie |
 | Hanna Alström als Princess Tilde |
 | Emily Watson als Chief of Staff Fox |
 | Sophie Cookson als Roxy |
 | Elton John als Elton John |
 | Michael Gambon als Arthur |
 | Bruce Greenwood als President of the United States |
 | Thomas Turgoose als Liam |
 | Calvin Demba als Brandon |
 | Tobi Bakare als Jamal |
 | Gordon Alexander als Kingsman's Cab Driver |
 | Keith Allen als Charles |
 | Tom Benedict Knight als Angel |
 | Björn Granath als The King of Sweden |
 | Lena Endre als The Queen of Sweden |
 | Samantha Coughlan als Tour Guide |
 | Martyn Ford als Glastonbury Guard |
 | Poppy Delevingne als Clara |
 | Grant Gillespie als Hotel Receptionist |
 | Tara Hugo als Kentucky Barmaid |
 | Nicholas Colicos als Very Drunk Redneck |
 | Jordan Mifsud als Patient One |
 | Kaye Brown als Patient Two |
 | Paul Giddings als Patient Three |
 | Iain McKee als Poppy's Antidote Doctor |
 | Mark Arnold als General McCoy |
| Shannon Bream als FOX News Anchor |
 | James Carroll Jordan als Harvard Professor |
| Bill Hemmer als FOX News Anchor |
 | Stacey Swift als Hospital Doctor |
 | Alessandro De Marco als Cable Car Attendant |
 | Antonio Magro als Confused Guard |
 | Stephen Schreiber als Elderly Patient 1 |
| Count Prince Miller als Elderly Patient 2 |
 | Jeff Ricketts als Poppy's Attorney |
 | Joe Gallina als Poppy's Security Gate Guard |
| Ammara Niwaz als Agent Whiskey's Wife |
 | Mingus Johnston als First Burly Guard |
 | Samantha Womack als Michelle |
| James Clayton als Kingsman Knight |
| Bimbo Hart als Kingsman Knight |
| Chester King als Kingsman Knight |
| Alastair MacIntosh als Kingsman Knight |
| Max Macintosh als Kingsman Knight |
| Tom Parker Bowles als Kingsman Knight |
 | Carlos Peres als Kingsman Knight |
| Darren Gilford | Production Design |
| Dave Gibbons | Characters |
| Mark Millar | Characters |
| Matthew Vaughn | Director |
| Matthew Vaughn | Writer |
| Jane Goldman | Writer |
| Henry Jackman | Music |
| Matthew Margeson | Music |
| Eddie Hamilton | Editor |
| George Richmond | Director of Photography |
| Adam Bohling | Producer |
| David Reid | Producer |
| Matthew Vaughn | Producer |
| Reg Poerscout-Edgerton | Casting |
| Grant Armstrong | Supervising Art Director |
| Joe Howard | Art Direction |
| Gary Jopling | Art Direction |
| James Morrall | Art Direction |
| Tarnia Nicol | Art Direction |
| Rosemary Brandenburg | Set Decoration |
| Arianne Phillips | Costume Design |
| Francesca Crowder | Hairstylist |
| Annette Field | Hairstylist |
| Andrew Simonin | Key Hair Stylist |
| Lisa Tomblin | Hair Designer |
| Susan Reilly LeHane | Makeup Artist |
| Mandy Lyons | Hairstylist |
| David Cain | Unit Production Manager |
| Marco Greco | Production Manager |
| Michael Killoren | Production Manager |
| Oliver Benson | Assistant Art Director |
| Roberto Dominguez Alegria | Foley |
| Oskar von Unge | Assistant Sound Editor |
| Katy Covell | Casting Assistant |
| Lillie Jeffrey | Casting Associate |
| Tamsyn Manson | Casting Assistant |
| Christopher Frith | Assistant Editor |
| Christopher Frith | Assistant Editor |
| Jack Dolman | Music Editor |
| Adam Sculthorp | Aerial Camera |
| Adam Dale | Aerial Director of Photography |
| Mark Gerasimenko | Aerial Director of Photography |
| Mitch Dubin | Camera Operator |
| Angus Benson-Blair | Drone Operator |
| Dani Rose | Drone Operator |
| Gareth Harfoot | Drone Operator |
| Michael Chambers | Gaffer |
| Shawn White | Gaffer |
| Stefano Marino | Gaffer |
| Terry Robb | Gaffer |
| Leo Bund | Aerial Camera |
| David Appleby | Key Grip |
| Giampaolo Bagalà | Key Grip |
| Emmet Cahill | Key Grip |
| Marc Wolff | Pilot |
| Wayne Leach | Rigging Gaffer |
| Sam Kite | Rigging Gaffer |
| Tim Wooster | Second Unit Director of Photography |
| Toby Plaskitt | Russian Arm Operator |
| Stamos Triantafyllos | Steadicam Operator |
| Benjamin Treplin | Steadicam Operator |
| Chris Bain | Additional Camera |
| Oliver Loncraine | Additional Camera |
| Alex Bailey | Still Photographer |
| Giles Keyte | Still Photographer |
| Nick Wall | Still Photographer |
| Paul Biddiss | Armorer |
| Marc Wolff | Aerial Coordinator |
| Lucia Foster Found | Aerial Coordinator |
| John T. Cucci | Foley |
| Dan O'Connell | Foley |
| Rob Prynne | Sound Designer |
| Martin Cantwell | Sound Effects Editor |
| Paul Carter | Sound Effects Editor |
| Chloe Banham | Sound Recordist |
| Jonathan Connaught | Sound Recordist |
| Mike Prestwood Smith | Sound Re-Recording Mixer |
| Danny Sheehan | Supervising Sound Editor |
| Matthew Collinge | Supervising Sound Editor |
| Julia Castle | Art Department Coordinator |
| Patrick Harris | Assistant Art Director |
| Jane Harwood | Assistant Art Director |
| Kristen Maloney | Assistant Art Director |
| Martin Kingsley | Assistant Property Master |
| Craig Shoji | Conceptual Illustrator |
| Nicky Ackland-Snow | Construction Coordinator |
| Ty Teiger | Property Master |
| Wasili Angelopoulos | Propmaker |
| Neil Alford | 2D Supervisor |
| Nathan McConnel | Animation Supervisor |
| Max Tyrie | Animation Director |
| Dominic Alderson | CG Supervisor |
| Harry Bardak | CG Supervisor |
| Fabio Zangla | CG Supervisor |
| Tom Schultz | Matchmove Supervisor |
| Karl Rapley | Pre-Visualization Supervisor |
| Jason McDonald | Pre-Visualization Supervisor |
| Félix Pirritano | Sequence Supervisor |
| Craig McPherson | Supervising Animator |
| Tyler Halle | VFX Artist |
| Troy Summersett | VFX Artist |
| Alex Guri | VFX Supervisor |
| Barrie Hemsley | Visual Effects Producer |
| Bryce Nielsen | Visual Effects Producer |
| Nicolas Bonnell | Visual Effects Producer |
| Rob Shears | Visual Effects Producer |
| Julien Cimino | Visual Effects Producer |
| Chris Anderson | Visual Effects Producer |
| Paula Pope | Visual Effects Producer |
| Angus Bickerton | Visual Effects Supervisor |
| Pierre Buffin | Visual Effects Supervisor |
| Geoffrey Niquet | Visual Effects Supervisor |
| Chris Lawrence | Visual Effects Supervisor |
| Mark Breakspear | Visual Effects Supervisor |
| Martin Waters | Visual Effects Supervisor |
| Simone Ciliani | Visual Effects Technical Director |
| Achraf Ayadi | Visual Effects Technical Director |
| David E. Scott | Art Direction |
| Lucy Ward | Script Supervisor |
| Harry Minter | Assistant Director |
| Jack Ravenscroft | First Assistant Director |
| Daniel Rogers | Health and Safety |
| Matteo Leurini | Transportation Captain |
| Rick English | Stunt Double |
| James Embree | Stunts |
| Bradley James Allan | Stunt Coordinator |
| Michael Maroussas | Dialogue Editor |
| Matt Davies | Dialogue Editor |
| Stephanie Carey | Stunts |
| Matt Crook | Stunts |
| Joe Watts | Stunt Double |
| Joe Watts | Stunts |
| Muhammed Mustafa Özdemir | Executive Producer |
