The Assassin (2025)

A retired assassin and her estranged son are thrust together on the run when her deadly past resurfaces on a remote Greek island.

The Assassin - Series Information

  • Original Title: The Assassin
  • First Air Year: 2025
  • Last Air Year: 2025
  • Created by: Jack Williams, Harry Williams
  • Type: TV Series
  • Genres: Drama, Crime, Mystery
  • Number of Seasons: 1
  • Number of Episodes: 6
  • Status: Returning Series
  • Original Language: English
  • Spoken Languages: English
  • First Air Date: July 25, 2025 (United Kingdom - 15), July 25, 2025 (Australia - MA 15+), July 25, 2025 (Spain - 16)
  • Networks: Prime Video
  • Production Companies: Two Brothers Pictures, ZDF, All3Media International, Stan
  • Production Countries: Australia, Germany, United Kingdom
  • Alternative Titles: 妈妈是杀手 (CN)

The Assassin - Plot

Secluded on a remote Greek island, retired assassin Julie has a somewhat thorny reunion with her estranged son, Edward, visiting from England. Armed with questions around new information on his paternity, Edward battles to find the right time to speak to his frustratingly distant mother. But, when the moment finally presents itself, things take a deadly turn as Julie's dangerous past catches up with her and they are forced to flee the island and go on the run together.

The Assassin - Trailer

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The Assassin - Cast & Crew

Creator(s)

  • Jack Williams
  • Harry Williams

Main Cast

  • Keeley Hawes
  • Freddie Highmore
  • Gerald Kyd
  • Shalom Brune-Franklin
  • Devon Terrell
  • David Dencik
  • Gina Gershon
  • Alan Dale
  • Ibraim Cândido
  • Aurora Marion

Writers

  • Jack Williams
  • Hamish Wright
  • Harry Williams
  • Krissie Ducker
  • Selina Lim

Executive Producers

  • Freddie Highmore
  • Keeley Hawes

The Assassin - FAQs

What is The Assassin about?

The Assassin centres on Julie, a retired assassin living in seclusion on a remote Greek island, whose estranged son Edward arrives with unsettling questions about his paternity. Before they can resolve their fractured relationship, Julie's lethal past resurfaces and the two are forced to flee together, navigating danger and long-buried secrets.

Who plays Julie and Edward in The Assassin?

Keeley Hawes takes on the role of Julie, the enigmatic retired assassin at the heart of the story, while Freddie Highmore plays her estranged son Edward. Both actors also serve as executive producers on the series, reflecting their deep personal investment in the project.

Where can you stream The Assassin?

The Assassin is available to stream on AMC+, including through the AMC+ Amazon Channel, Apple TV Channel, and Roku Premium Channel. It is also on Philo and Spectrum On Demand. If you prefer to own episodes, they are available to buy on Amazon Video and Apple TV Store.

Is The Assassin based on a true story?

The Assassin is an original fictional story, not based on real events or a pre-existing book. The series was created by Jack Williams and Harry Williams, the British writing duo behind acclaimed thrillers such as Fleabag's production company Two Brothers Pictures, crafting a wholly invented world of espionage and family drama.

Who created The Assassin series?

The series was created by Jack Williams and Harry Williams, the sibling writing team behind Two Brothers Pictures, whose previous work includes the acclaimed thriller The Widow and Liar. They also share writing duties on The Assassin alongside Hamish Wright, Krissie Ducker, and Selina Lim.

When did The Assassin premiere and how many episodes are there?

The Assassin premiered on July 25, 2025, releasing simultaneously in the United Kingdom, Australia, and Spain. The first season consists of six episodes, offering a tightly paced thriller that follows Julie and Edward as they unravel the secrets of her clandestine past while evading those hunting them.

Is The Assassin worth watching?

For fans of sleek, character-driven thrillers, The Assassin is a compelling watch. The pairing of Keeley Hawes and Freddie Highmore brings real emotional weight to the mother-son dynamic, while the sun-drenched Greek island setting gives way to escalating tension. The Williams brothers' track record for tight plotting makes this one to follow.

What shows are similar to The Assassin?

If The Assassin hooks you, try Fool Me Once (2024) for another twisty thriller from a similar British tradition, or Inside Man (2022) for sharp, morally complex storytelling. Suspect (2022) and Tell Me Your Secrets (2021) also share that same blend of family secrets and slow-burn suspense that defines The Assassin.

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