Get ready for a pulse-pounding political thriller when Hostage explodes onto Netflix on August 21, 2025. The series plunges viewers into a nightmarish scenario: the husband of the British Prime Minister is kidnapped, while the visiting French President faces devastating blackmail.

Forced into a tense and reluctant alliance amidst fierce rivalry, these two powerful leaders must navigate treacherous waters to uncover a conspiracy threatening them both. As impossible choices mount and the clock ticks, trust is scarce, and the cost of failure is catastrophic. Leading this high-stakes drama is an exceptional ensemble cast.

Two nations hang in the balance when the UK Prime Minister’s husband is taken hostage and the French President faces devastating blackmail. Netflix’s Hostage thrusts two fierce rivals—Abigail Dalton and Vivienne Toussaint—into an explosive alliance. With global security at stake and personal loyalties tested, they must unravel a conspiracy threatening their leadership and countries before time runs out.

Anchored by award-winning leads Suranne Jones and Julie Delpy, Hostage features a powerhouse ensemble cast. This high-stakes thriller explores political brinkmanship, moral compromise, and the human cost of power. Below, we break down the full cast list, character roles, and each actor’s acclaimed career credentials.

Hostage main cast and supporting cast

1. Suranne Jones as Abigail Dalton (Prime Minister of the UK)

Born in Oldham, England (1978), Suranne Jones rose to fame as Karen McDonald in ITV’s Coronation Street, winning multiple British Soap Awards. She transitioned into critically acclaimed dramatic roles, earning a BAFTA for her searing performance in Doctor Foster and global recognition as Anne Lister in HBO/BBC’s Gentleman Jack. Her TV leadership extends to Scott & Bailey, Vigil, and Save Me.

Jones’ film work includes The Secret of Crickley Hall and The Burning Girls. Renowned for portraying complex, resilient women under pressure, she embodies PM Abigail Dalton—a leader forced to sacrifice personal ethics to save her husband and nation in Hostage. Expect razor-sharp intensity and emotional depth from this powerhouse performance.

2. Julie Delpy as Vivienne Toussaint (President of France)

Julie Delpy (born 1969, Paris) gained early acclaim in Europa Europa (1991) and Krzysztof Kieślowski’s Three Colors: White. She achieved iconic status co-writing and starring in Richard Linklater’s Before Trilogy, earning two Oscar nominations. Delpy also directed feminist films like 2 Days in Paris and My Zoe, showcasing her multidisciplinary artistry.

Her genre versatility spans An American Werewolf in Paris, The Legend of Lucy Keyes, and sci-fi thriller My Zoe. As President Vivienne Toussaint, Delpy’s intellectual gravitas and multilingual fluency drive the character’s high-stakes negotiations against blackmail. Her casting promises nuanced political tension and moral complexity.

3. Lucian Msamati as Kofi Adomako (Security Chief)

Tanzanian-Zimbabwean actor Lucian Msamati (born 1976) made Royal Shakespeare Company history as the first Black Iago. His TV prominence includes Game of Thrones (Salladhor Saan), Gangs of London (Ed Dumani), and His Dark Materials (Lord Boreal). Msamati’s commanding stage presence translates powerfully to screen.

Film credits span The Batman (Gotham Harbor Captain), The Legend of Tarzan, and Black Earth Rising. As Security Chief Adomako, Msamati channels his signature intensity to lead crisis operations in Hostage. Expect tactical brilliance and moral ambiguity from this pivotal protector of national security.

4. Corey Mylchreest as Matheo Lewis

Corey Mylchreest (born 1998, London) rocketed to fame as young King George III in Netflix’s Queen Charlotte: A Bridgerton Story. A Royal Academy of Dramatic Art (RADA) graduate, he appeared in The Sandman (Episode 6) and Wednesday (Rowan’s Ghost). His stage work includes The Rape of Lucrece at RADA.

Mylchreest’s breakout role showcased his range in romantic and tortured roles. As Matheo Lewis, he likely plays a tech specialist or aide with critical access to intelligence. His casting suggests a character whose loyalties may shift under pressure in Hostage’s conspiracy.

5. Ashley Thomas as Dr. Alex Anderson

Ashley Thomas (aka Bashy, born 1982, London) broke out in Top Boy (Jermaine) and starred in NBC’s The Enemy Within. His US credits include 24: Legacy, The Umbrella Academy (Ray Chestnut), and horror anthology Them: Covenant. Films include Four Lions and Sundance winner Clemency.

Thomas excels in morally layered roles blending vulnerability and grit. As Dr. Alex Anderson, he likely serves as a crisis psychologist or forensic expert in Hostage. His character could bridge the human cost and political strategy of the kidnapping plot.

6. Martin McCann as John Shagan

Belfast-born Martin McCann (born 1983) starred in Richard Attenborough’s Closing the Ring and BAFTA-nominated thriller ’71. TV leads include The Frankenstein Chronicles, Blue Lights (Fra), and counter-terror drama The Looming Tower. He’s renowned for raw, physical performances.

His film work includes Anthropoid, The Survivalist, and Belfast. McCann often portrays volatile antiheroes or operatives. As John Shagan, he may be a rogue agent, kidnapper, or intelligence maverick—a wildcard in Hostage’s shadow war.

7. Isobel Akuwudike as Sylvie Anderson

British-Nigerian actress Isobel Akuwudike boasts 30+ years in UK television, including Silent Witness, Death in Paradise, and EastEnders. Her film credits include The Foreigner (Jackie Chan) and The Legend of Tarzan. She frequently portrays authoritative professionals.

Akuwudike brings grounded authenticity to roles like doctors (Holby City) and detectives (The Bill). As Sylvie Anderson—likely related to Dr. Alex Anderson—she represents the collateral damage of political crises, adding emotional stakes to Hostage.

8. Hiftu Quasem as Ayesha

British-Bangladeshi actress Hiftu Quasem gained attention in BBC’s The Capture (Tahira Khan) and Syfy’s Krypton. Other credits include Call the Midwife, Silent Witness, and Guy Ritchie’s The Gentlemen. She often plays sharp, ambitious professionals.

Quasem’s roles suggest intelligence, tech-savviness, or media expertise. As Ayesha, she could be a journalist exposing secrets, a cybersecurity analyst, or a trusted aide central to Hostage’s conspiracy resolution.

9. Sophie Robertson as Saskia Morgan

Scottish actress Sophie Robertson is best known as DS Louise Campbell in Taggart (2009-2010). She appeared in Shetland, River City, and medical dramas Casualty and Holby City. Her style embodies pragmatic, no-nonsense professionals.

Robertson often plays law enforcement or civil servants. As Saskia Morgan, she likely operates within UK security services (MI5/MI6) or Downing Street’s crisis team, investigating the kidnapping in Hostage with methodical precision.

10. Pip Carter as Dan Ogilvy

Pip Carter’s TV credits span Sherlock (Anderson), The Crown (multiple roles), Ripper Street, and The Lazarus Project. Films include Mr. Turner, Official Secrets, and The Batman. He specializes in bureaucratic or morally ambiguous characters.

Carter often portrays advisors, analysts, or government officials. As Dan Ogilvy, he’s likely a senior Downing Street strategist or intelligence coordinator navigating Hostage’s political minefield with calculated pragmatism.

11. Josh Barrow as Tristan

Emerging British actor Josh Barrow appeared in Netflix’s The Irregulars, The Last Kingdom, and film Horrible Histories: Rotten Romans. His youth and recent credits suggest roles requiring tech skills or fresh perspectives.

As Tristan, Barrow could play a hacker, junior intelligence analyst, or hostage victim confidant. His character may hold digital keys to the conspiracy, making him an unexpected linchpin in Hostage’s resolution.