Ralph FiennesOrlando Oxford
Rhys IfansGrigori Rasputin
Tom HollanderKing George / Kaiser Wilhelm / Tsar Nicholas
Harris DickinsonConrad Oxford
Daniel BrühlErik Jan Hanussen
Alexandra Maria LaraEmily Oxford
Alexander ShawYoung Conrad
Shaun ScottKingsman Tailor #1
Andrew BridgmontKingsman Tailor #2
Olivier RichtersHuge Machinery Shack Guard
Joel BasmanGavrilo Princip
Richard Stephenson WinterShepherd's Flock Member #2
Takako AkashiShepherd's Flock Member #3
Thorston ManderlayShepherd's Flock Member #4
Terence AndersonShepherd's Flock Member #5
Andy CheungShepherd's Flock Member #6
Ron CookArchduke Franz Ferdinand of Austria
Barbara DrennanSophie, Duchess of Hohenberg
Benedick BlytheSaravejo General
Max CountYoung King George
Emil OksanenYoung Kaiser Wilhelm
George GooderhamYoung Tsar Nicholas
Alexa PovahQueen Victoria
Alexander SheflerTsarevich Alexei
Rosie GoddardGrand Duchess Anastasia
Dora DavisGrand Duchess Maria
Lucia Jade BarkerGrand Duchess Olga
Molly McGeachinGrand Duchess Tatiana
Angus Castle-DoughtyBritish Soldier
Jed O'HaganBritish Soldier #2
Thomas MahyBritish Soldier #3
Connor CallandBritish Soldier #4
Martin RazpopovSarajevo Prison Warden
Aaron VodovozFelix Yusupov
Gabriela CałunRussian Maid
Gabriel ConstantinRussian Master of Ceremonies
Vår HaugholtRussian Prostitute #1
Ronja HaugholtRussian Prostitute #2
Alyona KazarovaYusupov Guest #1
Fiz MarcusYusupov Guest #2
Nina NovichYusupov Guest #3
Andrey AndreevYusupov Guest #4
August DiehlVladimir Lenin
Nigel ListerArthur Zimmermann
Daniel VernanGerman Foreign Office Worker #1
Nigel PilkingtonGerman Foreign Office Worker #2
Ed Cooper ClarkeAdmiralty Military Intel Officer
Stevee DaviesYoung Codebreaker
Russell BaloghSandhurst PT
Kristian NekrasovGeneral Ludendorff
Stefan SchifferLudendorff Butler
Tim BruceSandhurst Chaplain
Hal HillmanSandhurst Cadet
Ian KellyPresident Woodrow Wilson
David CalvittoVice President
Simon ConnollyWhite House Butler
Alexander CobbBritish Officer
Aaron Taylor-JohnsonArchie Reid
Emun ElliottSergeant Major
Cassidy LittleBritish Spy
Neil JacksonCaptain Forrest
Ben AyersBlack Watch Soldier #1
Gwithian EvansBlack Watch Soldier #2
Cory StuckeyBlack Watch Soldier #3
Timon StaehlerStorm Trooper
Timothy BloreGerman Soldier #1
Ross AndersonCorporal Johnstone
Robert AramayoSergeant Major Atkins
Remus BrooksKings Liverpool Soldier #1
Felix MosseKings Liverpool Soldier #2
Will PattleKings Liverpool Soldier #3
Dolores CarbonariPub Girl #2
Stanley TucciUnited States Ambassador
Pippa WinslowUnited States Embassy Secretary
David KrossMoustached Man
Katarina MartinHousekeeper (uncredited)
Kya GarwoodMaid (uncredited)
Constantine GregoryMayor of Sarajevo (uncredited)
Hal FowlerRussian General (uncredited)
Renars LatkovskisRussian Sheppard (uncredited)
Jack Cunningham-NuttallBath Boy (uncredited)
Chloé BooyensSoldier (uncredited)
Tiago MartinsOfficer Cadet (uncredited)
Ryan NoireKings Liverpool Soldier