Cast and characters
Some character codenames are based on Captain Haddock's expletives.
Mathieu Kassovitz as Guillaume Debailly, codename "Malotru" (Lout). After six years undercover in Damascus, Syria, he returns to Paris but finds it difficult to re-adapt to a more normal life. When he learns that Nadia El Mansour, his lover in Damascus, is in Paris, he breaks the rules and renews their affair, returning to his false identity as Paul Lefebvre. (season 1– )
Sara Giraudeau as Marina Loiseau, codename "Phénomène" (Phenomenon) later "Rocambole", a young and brilliant woman who has been cast to become the next deep-cover agent while working as a seismologist. She is under intense training to prepare an infiltration of the Iranian nuclear industry and later the Russian cybercentre. (season 1– )
Jean-Pierre Darroussin as Henri Duflot, codename "Socrate" (Socrates), Director of the Service of Clandestines, a unit within the DGSE also known as the Bureau of Legends. (season 1–3, guest season 4-5)
Florence Loiret Caille as Marie-Jeanne Duthilleul, Debailly's handler, who becomes Loiseau's handler after Debailly's return from Syria. During season 3, she succeeds Henri Duflot as head of the Bureau. (season 1– )
Jonathan Zaccaï as Raymond Sisteron, a colleague of Debailly. (season 1– )
Zineb Triki as Nadia El Mansour, a Syrian professor of history and Debailly's lover from Damascus. Their relationship and her role in seeking to resolve the Syrian conflict form the crux of the first season. (season 1–3, 5, guest season 4)
Léa Drucker as Dr Laurène Balmes, a new recruit as a psychiatrist specialised in behavioural psychology. She assists the agents in manipulating their targets, but is also working as a double agent for the CIA. (season 1–3)
Gilles Cohen as Colonel Marc Lauré, codename "MAG" (acronym standing for "Moule à gaufres" or Waffle iron), Director of Intelligence and Henri Duflot's boss. (season 1–4)
Jules Sagot as Sylvain Ellenstein, a DGSE agent specialised in electronic surveillance. (season 1– )
Alba Gaïa Bellugi as Prune Debailly, the daughter of Guillaume Debailly. (season 1–3, guest season 4-5)
Irina Muluile as Daisy Bappé, codename "The Mule", operational support in France (field surveillance, escort, logistics). (season 1– )
Alexandre Brasseur and Michaël Abiteboul as "Pépé" and "Mémé" (grandpa and grandma), two DGSE agents in charge of operational support (tailing, escort, logistics, intimidation). (season 1–2, 5)
Patrick Ligardes as Marcel Gaingouin, Director of Operations of the DGSE. (season 1, guest season 2, 3, 5)
Elodie Navarre as Emilie Duflot, the wife of Henri Duflot. (guest season 1–3)
Jean-Marie Rollin as Edouard Rubin, a senior DGSE officer. (season 1–2)
Rajae as Rajae Rina, the Palestinian analyst (season 1)
Pauline Étienne as Céline Delorme, a regional expert on the Middle East and North Africa. (season 2–3)
Mathieu Demy as Clément Migaud, head of the DGSE's Iran service. (season 2–3)
Stefan Godin as Pierre de Lattre de Tassigny, Director General of the DGSE. (guest season 2–5)
Alice Belaïdi as Sabrina Boumaza, sister French ISIS recruit Toufik Boumaza. (season 2)
Artus as Jonas Maury, the Syrian analyst (season 3–4, guest season 5)
Melisa Sözen as Esrin, a Kurdish fighter. (season 3)
Mathieu Amalric as Jean-Jacques Angel (JJA), director of the DGSE security service (DSEC) (supposedly based on James Jesus Angleton). (season 4–5)
Oleksiy Gorbunov as Mikhail Dmitrievich Karlov, Deputy Director of the FSB. (season 4–5)
Anne Azoulay as Liz Bernstein, a DGSE security and counterintelligence officer. (season 4–5)
Stefan Crepon as César, who works with Sylvain in electronic surveillance, and ends up becoming a field agent. (season 4-5)
Maryana Spivak as Samara, the Russian love interest of Guillaime. (season 4)
Louis Garrel as Andrea Tassone, codename "Mille Sabords". (season 5)
