Main •
Gabriel Basso as Peter Sutherland, an FBI agent who works at the White House as a Night Action telephone operator in season 1 and becomes a Night Agent for Night Action end of season 1. •
Luciane Buchanan as Rose Larkin (seasons 1–2), a young cybersecurity entrepreneur and the niece of two Night Action agents. In Season 2 we see her working for a new tech startup called Adverse. •
Fola Evans-Akingbola as Chelsea Arrington (seasons 1 and 3; guest season 2), an ambitious
U.S. Secret Service agent initially assigned to Second Daughter Maddie Redfield, and later the campaign and presidential detail of Richard Hagan •
Sarah Desjardins as Maddie Redfield (season 1), the daughter of Vice President Ashley Redfield •
Eve Harlow as Ellen (season 1), an unpredictable assassin with a tragic and sad past •
Phoenix Raei as Dale (season 1), a professional hitman who is partnered with Ellen •
Enrique Murciano as Ben Almora (season 1), the
director of the U.S. Secret Service •
D. B. Woodside as Erik Monks (season 1), a veteran U.S. Secret Service agent newly assigned to Maddie •
Hong Chau as Diane Farr (season 1), the
White House chief of staff •
Arienne Mandi as Noor Taheri (season 2), a junior aide to the Iranian Mission at the United Nations in New York who is seeking
asylum by cooperating with the FBI •
Louis Herthum as Jacob Monroe (season 2–3), a black market intelligence broker and former corporate lawyer • Berto Colon as Solomon Vega (season 2), a Marine veteran who works for Jacob •
Keon Alexander as Javad (season 2), a
Quds Force counterintelligence officer and the head of security at the Iranian Mission in New York •
Michael Malarkey as Markus Dargan (season 2), nephew of deposed terrorist dictator Viktor Bala •
Amanda Warren as Catherine Weaver (season 2–3), Peter's
handler in Night Action •
Ward Horton as Richard Hagan (season 3; guest season 2), the
Governor of Kansas and later President of the United States • Albert Jones as Aiden Mosley (season 3; recurring season 2), the Deputy Director of the FBI and Night Action supervisor •
David Lyons as Adam Corrigan (season 3), a Night Agent with links to President Hagan, who is a former
US Army Lieutenant and CIA contractor •
Jennifer Morrison as Jenny Hagan (season 3), the
First Lady of the United States •
Stephen Moyer as The Father (season 3), a meticulous assassin •
Genesis Rodriguez as Isabel De Leon (season 3), a financial journalist for the
Financial Register •
Callum Vinson as The Son (season 3), The Father's adopted young child
Recurring • Andre Anthony as Colin Worley (season 1), the perpetrator of a bombing in Washington, D.C. • Anthony also portrays Matteo Worley, Colin's identical twin brother •
Kari Matchett as Michelle Travers, the
President of the United States (seasons 1; guest season 2) •
Christopher Shyer as Ashley Redfield (season 1), the
Vice President of the United States • Toby Levins as Briggs (season 1), the U.S. Secret Service agent who is part of Redfield's detail team •
Ben Cotton as Gordon Wick (season 1), the CEO of a government contractor, Turn Lake Industries •
Brittany Snow as Alice Leeds (season 2), Peter's Night Action partner in Bangkok •
Teddy Sears as Warren Stocker (season 2), a former FBI agent who sells intelligence in Bangkok •
Marjan Neshat as Azita Taheri (season 2), Noor's mother • Anousha as Haleh (season 2), an aide at the Iranian United Nations Mission in New York and Noor's friend •
Navid Negahban as Abbas Mansuri (season 2), the
Iranian ambassador to the United Nations •
Rob Heaps as Tomás Bala (season 2), Markus' cousin and Viktor Bala's moderate, privately educated son • Elise Kibler as Sloane Killory (season 2), Tomás' girlfriend •
Marwan Kenzari as Sami Saidi (season 2), a Night Action agent and former
Delta Force sergeant •
Dikran Tulaine as Viktor Bala (season 2), the deposed dictator and war criminal from an unnamed country imprisoned at
The Hague •
Suraj Sharma as Jay Batra (season 3), a financial analyst who uncovered financial activity is linked to terrorism •
Zach Appelman as Theo Miller (season 3), Chelsea's fiancé and a member of the White House press team • Gary Hilborn as Trent Patterson (season 3), Chelsea's boss in the Secret Service ==Episodes==