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| Michael Caine | Arthur | |
| Samuel L. Jackson | Valentine | |
| Colin Firth | Harry Hart/Galahad | |
| Jack Davenport | Lancelot | |
| Mark Hamill | Professor Arnold | |
| Mark Strong | Merlin | |
| Richard Brake | The Interrogator | |
| Geoff Bell | Dean | |
| Ralph Ineson | Policeman | |
| Bjørn Floberg | Swedish Prime Minister | |
| Velibor Topic | Big Goon | |
| Jordan Long | Poodle | |
| Hanna Alström | Princess Tilde | |
| Sofia Boutella | Gazelle | |
| Samantha Womack | Michelle Unwin | 
| Director | 
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| Producer | Matthew Vaughn Adam Bohling | ||
| Writer | Matthew Vaughn Mark Millar | ||
| Cinematography | George Richmond | ||
| Musician | Matthew Margeson Henry Jackman | 
|  | Kingsman: The Secret Service tells 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. | 
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