Overall Main •
Tom Hiddleston as Jonathan Pine, a former military officer and hotel night manager seeking to bring down Richard Roper •
Hugh Laurie as Richard "Dickie" Onslow Roper, a charismatic but ruthless arms dealer •
Olivia Colman as Angela Burr, the Head of the
Foreign Office's International Enforcement Agency, seeking to bring down Roper •
Alistair Petrie as Alexander "Sandy" Langbourne, Lord Langbourne, Roper's financial director •
Douglas Hodge as Rex Mayhew, Burr's supportive superior at the Foreign Office •
Michael Nardone as Frisky, one of Richard Roper's henchmen •
Noah Jupe as Danny Roper (series 2; supporting series 1), Roper's young son
Series 1 Main •
Tom Hollander as Major Lance "Corky" Corkoran, Roper's second in command and front man •
Elizabeth Debicki as Jemima "Jed" Marshall, Roper's girlfriend and a secret love interest of Pine •
Natasha Little as Caroline "Caro" Langbourne, Lady Langbourne, Sandy's wife and Jed's friend •
David Harewood as Joel Steadman, an American
ATF agent and ally of Burr •
Tobias Menzies as Geoffrey Dromgoole, a senior
MI6 official antagonistic to Burr's mission •
Antonio de la Torre as Juan Apostol, Roper's lawyer •
Adeel Akhtar as Rob Singhal, Burr's second in command at the IEA •
Hovik Keuchkerian as Tabby, one of Richard Roper's henchmen
Supporting •
Aure Atika as Sophie (Samira) Alekan, Hamid's girlfriend and Pine's secret lover in Egypt •
Amir El-Masry as Youssuf, a chef at the Nefertiti hotel and close friend of Pine •
Russell Tovey as Simon Ogilvey, an old friend of Pine's and a Foreign Office diplomat in Cairo •
David Avery as Freddie Hamid, an Egyptian playboy and ally of Roper •
Hannah Steele as Marilyn, a single mother Pine meets in Devon •
Neil Morrissey as Harry Palfrey, an MI6 officer working for Dromgoole, but sympathetic to Burr's mission •
Jonathan Aris as Raymond Galt, Dromgoole's deputy at MI6 • Nasser Memarzia as Omar Barghati, the head of a consortium seeking to buy weapons from Roper •
Katherine Kelly as Pamela, the
Permanent Secretary of the Foreign Office and Mayhew's superior •
Bijan Daneshmand as Kouyami, a senior member of Barghati's consortium
Series 2 Main •
Diego Calva as Teddy Dos Santos, a Colombian arms dealer •
Camila Morrone as Roxana Bolaños, a Colombian businesswoman who reluctantly allies with Pine •
Paul Chahidi as Basil Karapetian, the Head of Technical at MI6 and an ally of Pine •
Kirby Howell-Baptiste as Dr Kim Saunders, Pine's MI6-mandated psychiatrist •
Slavko Sobin as Viktor, the chief enforcer working for Dos Santos •
Unax Ugalde as Juan Carrascal, a lawyer working for Dos Santos •
Alberto Ammann as Alejandro Gualteros, a Colombian prosecutor trying to bring down Dos Santos • Diego Santos as Martín Álvarez, a Colombian private detective hired by Pine •
Cristina Umaña Rojas as Consuelo Arbenz, an attorney general and head of the Colombian Supreme Court
Supporting • Alex Mugnaioni, Raphel Famotibe and Anil Desai as Graham, Mike and Waleed, three members of Pine's surveillance unit, the Night Owls •
Gijs Naber as Jaco Brouwer, a mercenary who previously worked for Roper •
Annabel Mullion as Celia Mayhew, Rex's wife • Kerr Logan as Adam Holywell, an international business broker working with the criminal underworld • Mario Bolaños as General Horacio Sánchez, a Colombian general on Dos Santos's payroll • Luis Fernando Hoyos as José Cabrera, an exiled Colombian politician planning to overthrow the government • Fabio Espinosa, Erik Rodríguez and Samuel Gómez López as Chico, Beni and Tavo, three of Dos Santos's henchmen ==Production==