About the character
Zoe is Esther Williams’s daughter. Her appearances widen Esther’s character beyond detective work and show the family responsibilities that continue alongside the weekly investigations.
Zoe Williams’s story
Character arc (no case solutions)
Esther's teenage daughter recurs in Series 1 and 2 and becomes a regular in Series 3 and 4. She works at Martha's Ten Mile Kitchen, plays an elf in Santa's grotto at Christmas 2023 and clashes with her mum over a tattoo in Series 2. Protective of Esther, she quietly encourages Archie to win her back in Series 3. In Series 4 Zoe announces plans to travel, and she leaves for eight months, giving her mum a parting surprise.
Place in the series
Zoe Williams appears across Series 2. The table below keeps every currently verified regular-episode credit together without revealing a culprit or case solution.
Verified appearances
| Series | Episode | First UK broadcast | Case |
|---|---|---|---|
| Series 2 | 2 | 29 March 2024 | The clairvoyant’s predictions |
| Series 2 | 3 | 5 April 2024 | A disappearance at sea |
| Series 2 | 4 | 12 April 2024 | The priest and the Devil on the Rocks |
| Series 2 | 5 | 19 April 2024 | An arrow on Abbott Moor |
| Series 2 | 6 | 26 April 2024 | A museum-piece theft |
About Melina Sinadinou
Melina Sinadinou plays Zoe Williams, DS Esther Williams's daughter, in Beyond Paradise. She was cast while finishing drama school, and the role became her first television job; Zoe began as a recurring character before Sinadinou became part of the main cast from series 3. Before Beyond Paradise her experience was mainly in theatre and short films. TV listings also credit her as Thana Haddad in The Terminal List: Dark Wolf (2025).
Melina Sinadinou TV shows and films
- Beyond Paradise (2023-, Zoe Williams)
- The Terminal List: Dark Wolf (2025, Thana Haddad)
Open Melina Sinadinou’s actor profile
Zoe Williams: questions fans ask
Who plays Zoe in Beyond Paradise?
Zoe Williams is played by Melina Sinadinou. She recurs in Series 1 and 2, becomes a series regular from Series 3, and is named in the Series 5 cast announcement.
Does Zoe leave Beyond Paradise?
At the end of Series 4, Zoe sets off on an eight-month trip. She is still listed among the returning cast in the BBC's Series 5 announcement (April 2026), so how much she features next is not yet known.