The Night Agent Cast: Who’s Returning For Season 3 And The Shocking New Stars Joining Peter Sutherland’s Next Mission

The Night Agent has proven to be a global phenomenon for Netflix, and as of December 15, 2025, the excitement is all centered on the highly-anticipated Season 3. The political thriller, based on the novel by Matthew Quirk, has captivated audiences with its high-stakes plot involving FBI Agent Peter Sutherland and the shadowy "Night Action" operation. The success is largely due to the electric chemistry and compelling performances of its core cast. The biggest news surrounding the upcoming seasons involves a major shake-up, with a core character leaving and the addition of several veteran Hollywood stars, signaling an exciting new direction for the narrative. While Gabriel Basso is set to reprise his role as the titular Night Agent, the new missions will introduce a fresh ensemble of allies and antagonists, expanding the show's scope from Washington D.C. to international locations like New York, Thailand, and Istanbul. We break down the full cast, from the returning fan favorites to the major new series regulars who will define the next chapter of the conspiracy.

The Night Agent Main Cast: Full Biography and Character Profiles

This is a complete breakdown of the main cast members from Season 1, the returning stars for Season 3, and the major new additions who will be driving the action.

The Core Returning Hero

• Gabriel Basso as Peter Sutherland Jr.
• Character Role: The low-level FBI agent who works the "Night Action" phone in the White House basement, thrust into a vast political conspiracy. He is the show's protagonist.
• Biography & Notable Works: Born on December 11, 1994, in St. Louis, Missouri, Gabriel Basso began his career as a child actor. He is known for his roles in the films Super 8 (2011) and The Kings of Summer (2013). Basso’s performance in The Night Agent has been widely praised as his breakout adult role.

The Season 3 Game Changers (New Cast)

The third season is set to introduce a host of high-profile actors, drastically changing the dynamic of the show.

• Jennifer Morrison as [Character Name TBD]
• Character Role: An undisclosed new series regular, likely a high-ranking government official or a key operative.
• Biography & Notable Works: Born on April 12, 1979, Jennifer Morrison is an American actress, director, and producer. She is best known for her iconic television roles as Dr. Allison Cameron on the medical drama House and as Emma Swan on the fantasy series Once Upon a Time. Her addition brings significant star power to the cast.
• Stephen Moyer as [Character Name TBD]
• Character Role: An undisclosed new series regular, expected to play a major role in Peter's new international mission.
• Biography & Notable Works: Stephen Moyer (born October 11, 1969) is an English actor and director. He is globally recognized for portraying the 173-year-old vampire Bill Compton in the hit HBO series True Blood. Moyer’s extensive career in television and film makes him a formidable addition to the thriller's ensemble.
• David Lyons as [Character Name TBD]
• Character Role: A new series regular whose role is currently under wraps, but whose involvement suggests a deep connection to the new conspiracy.
• Biography & Notable Works: David Lyons (born April 16, 1976) is an Australian actor, known for his roles as Dr. Simon Brenner in the medical drama ER and for his work in the Australian navy drama Sea Patrol. He is a graduate of the National Institute of Dramatic Art (NIDA) in Australia.

Key Season 1 & 2 Cast Members

• Hong Chau as Diane Farr: The former White House Chief of Staff, a complex and morally ambiguous character. Hong Chau (born June 25, 1979) is an Oscar-nominated actress known for her roles in The Whale and Downsizing.
• D.B. Woodside as Erik Monks: A seasoned Secret Service agent assigned to protect Maddie Redfield. Woodside (born July 25, 1969) is famous for his roles as Wayne Palmer in 24 and as the angel Amenadiel in Lucifer.
• Fola Evans-Akingbola as Chelsea Arrington: A dedicated Secret Service agent working alongside Monks.
• Luciane Buchanan as Rose Larkin (Season 1 & 2): The former tech CEO who calls the Night Action line and becomes Peter's main ally. The New Zealand-born actress (born 1993) is not returning for Season 3, confirming the end of the Peter and Rose storyline.

The Shocking Cast Exits and New Direction for Season 3

The most talked-about update for The Night Agent is the confirmed cast exit of a major lead. The show’s narrative will undergo a significant shift, moving Peter Sutherland into a new, entirely separate mission.

Why Rose Larkin is Not Returning

The romantic and professional partnership between Peter Sutherland and Rose Larkin was central to the first two seasons. However, the official cast announcements for Season 3 have confirmed that Luciane Buchanan, who played Rose Larkin, will not be a series regular. The decision is a significant one, as the final moments of Season 2 saw the couple parting ways, with Peter embarking on his first official "Night Agent" mission and Rose returning to California to restart her career. This exit solidifies the show's intent to focus on Peter’s solo adventures as a full-fledged agent, giving each season a distinct, self-contained conspiracy narrative, much like an anthology series. The final episode of Season 2 is said to set up this new direction, paving the way for the new ensemble cast.

The New Global Mission: Istanbul and the Treasury Agent

The inclusion of major stars like Jennifer Morrison, Stephen Moyer, and David Lyons is tied directly to Peter’s new assignment. The official synopsis for Season 3 reveals that Peter will be "called in to track down a young Treasury Agent who fled to Istanbul with sensitive government information." This plot immediately sets Peter on a path that is geographically and politically different from the Washington D.C. conspiracy of Season 1. The new cast members are expected to fill roles as new allies, superiors, or international operatives involved in this new hunt. Filming locations for the series have already expanded from Vancouver and Los Angeles to include New York, Washington D.C., and Thailand, further confirming the show's new global scope.

Topical Authority: The Night Agent's Creative Team and Source Material

A major factor in the show's success is the creative team and the compelling source material, which anchors the political thriller genre elements.

The Night Agent’s Literary Roots

The entire Netflix series is an adaptation of the novel The Night Agent, written by Matthew Quirk. Quirk is a New York Times bestselling American novelist and journalist known for his political conspiracy thrillers. The book's success laid the foundation for the show's high-octane plot, which revolves around a deep-seated conspiracy reaching the highest levels of the U.S. government, including the Oval Office and the Secret Service. The show's creator, Shawn Ryan, has successfully translated the book's intense pacing and complex web of characters to the screen.

Connecting Entities and LSI Keywords

The show is rich with entities that establish its topical authority in the spy thriller space:

• Night Action: The secret, emergency line Peter Sutherland answers.
• Camp David: The location of the final confrontation in Season 1.
• Secret Service: The agency central to the Season 1 conspiracy (Erik Monks, Chelsea Arrington).
• Matthew Quirk: The author of the source novel.
• Vancouver, New York, Thailand, Istanbul: Key filming and plot locations.
• President Travers: The U.S. President whose life is endangered by the conspiracy.
• Treasury Agent: The new target Peter must track down in Season 3.

With an expanded cast, a proven formula, and a fresh international storyline, The Night Agent Season 3 is set to be the biggest and most explosive season yet. The new additions, particularly the star power of Jennifer Morrison and Stephen Moyer, ensure that Peter Sutherland’s next mission will be a must-watch event for fans of spy thrillers and political intrigue.