The BBC crime drama Death in Paradise delivered another gripping mystery in Season 15 Episode 6, which aired on March 9, 2026. The episode saw DI Mervin Wilson in serious danger after searching for his long-lost brother on the nearby island of Antigua. While the main cast continues to solve murders on Saint Marie, this episode brought in a roster of talented guest actors, including stars from Downton Abbey, Green Wing, and Coronation Street.
Don Gilet Leads the Team as Mervin Faces Kidnapping
Don Gilet, who joined the show as DI Mervin Wilson in the 2024 Christmas special, found himself in an impossible situation during Episode 6. After traveling to Antigua to find his half-brother Solomon Clarke, Mervin walked right into a murder scene. A local businessman was found dead, and the only two people there were Solomon and his business partner, Cheech McCarthy. Before the team could figure out who did it, Mervin was tied to a chair and taken by someone connected to the case.
Gilet is known for his roles in EastEnders and Holby City. He has brought a fresh energy to the show as the new lead detective who is still getting used to island life.
Daniel Ward Returns as Troubled Brother Solomon Clarke
Daniel Ward returned as Solomon Clarke, Mervin’s half-brother who first appeared earlier in Season 15. Solomon is a thief, and his criminal past keeps dragging Mervin into trouble. In Episode 6, Solomon and his associate Cheech blamed each other for the murder, leaving the police to figure out who was lying.
Ward has only a handful of acting credits, but they include major shows like the BBC medical drama This is Going to Hurt, the comedy series Mood, and the Netflix sitcom Everything Now.
Julian Rhind-Tutt Guest Stars as Suspicious Associate Cheech McCarthy
Comedy legend Julian Rhind-Tutt, 58, joined the cast as Cheech McCarthy. Cheech is Solomon’s business partner in Antigua, and he comes across as shady from the moment the episode starts. When the businessman is found dead, both Solomon and Cheech insist the other pulled the trigger.
Rhind-Tutt is best known for playing Dr. “Mac” Macartney in the classic British comedy Green Wing. He has also appeared in major films like Notting Hill, Tomorrow Never Dies, Lara Croft: Tomb Raider, and Bridget Jones’s Baby. On television, he has played roles in Britannia, The Larkins, and Man Vs Bee with Rowan Atkinson.
Trieve Blackwood-Cambridge Returns as Unlikable Commissioner Sterling Fox
Trieve Blackwood-Cambridge made his return to Saint Marie as Sterling Fox. Fox was first introduced in Season 14 as Commissioner Selwyn Patterson’s replacement. The character is brash, arrogant, and completely unfit for the job, making him an easy person for viewers to dislike. In Episode 6, Selwyn had to ask Sterling for help when Mervin went missing.
Blackwood-Cambridge is best known for playing Josh Hudson in the medical drama Holby City from 2020 to 2022. He has also appeared in Channel 4’s This Way Up, Disney+’s Rematch, and BBC Three’s Enterprice.
Antonia Bernath Brings Downton Abbey Fame to Saint Marie
Antonia Bernath, 40, played Pearl Lewis in Episode 6. Pearl is married to Lester Lewis, another new character introduced this week. The couple appeared in scenes around a pool, and viewers quickly suspected one of them might be connected to the crime.
Bernath is known for playing Laura Edmunds in Downton Abbey. She has also appeared in The Astronaut Wives Club as Susan Borman and played Jane Rossington in the ITV drama Nolly. Her film work includes St. Trinian’s and Powder Room.
Ashley Campbell Plays Lester Lewis in Episode 6
Ashley Campbell appeared as Lester Lewis, the husband of Pearl Lewis. While details about his character were kept quiet before the episode aired, Campbell is a familiar face to British TV audiences.
Campbell, who is of English and Grenadian descent, started his career on the West End in Fame the Musical when he was only 19. He played the role for 16 months. On television, he is known for playing DC Wiley on Coronation Street between 2021 and 2026. He has also appeared in Hollyoaks Later, Doctors, and Emmerdale.
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The Full Main and Guest Cast for Death in Paradise Season 15 Episode 6
“Mervin gets embroiled in a confounding case when he goes in search of his brother on Antigua. And the team must uncover their detective’s whereabouts before it’s too late.” – BBC Episode Synopsis
The full list of actors who appeared in Episode 6 includes the regular cast members and the guest stars:
Main Cast:
- Don Gilet as DI Mervin Wilson
- Don Warrington as Commissioner Selwyn Patterson
- Shantol Jackson as DS Naomi Thomas
- Shaquille Ali-Yebuah as Officer Sebastian Rose
- Catherine Garton as Sergeant Mattie Fletcher
- Elizabeth Bourgine as Catherine Bordey
Guest Cast for Episode 6:
- Daniel Ward as Solomon Clarke
- Julian Rhind-Tutt as Cheech McCarthy
- Trieve Blackwood-Cambridge as Sterling Fox
- Antonia Bernath as Pearl Lewis
- Ashley Campbell as Lester Lewis
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