Citadel

Richard Madden plays Mason Kane, a skilled Citadel agent whose memory is wiped, and he starts a new life as Kyle Conroy.

Priyanka Chopra Jonas portrays Nadia Sinh, a dedicated and resourceful agent working alongside Mason Kane in the Citadel organization.

Ashleigh Cummings plays Abby Conroy, who is part of Kyle Conroy's life in the series.

Roland Møller takes on dual roles as Anders Silje and Davik Silje, key characters in the show's narrative.

Osy Ikhile is Carter Spence, a character involved in the intriguing developments of the Citadel storyline.

Caoilinn Springall plays Hendrix Conroy, a character connected to Kyle Conroy's life.

Lesley Manville appears as Dahlia Archer, who leads the rival organization Manticore.

Stanley Tucci is Bernard Orlick, an old colleague who brings Mason Kane back into the spy world.

Sen Monro portrays Balduino Basto, contributing to the espionage elements of the series.

Moira Kelly plays Joe, whose role intertwines with the main characters in the series.

Lev Gorn portrays Gregor Yovanavich, a character who plays a part in the unfolding events of Citadel.