“Beyond Paradise S4E4 Cast Shines with Happy Valley Star”
Beyond Paradise returns for season four with a puzzling case in episode four. DI Humphrey Goodman probes a sabotage at a local seaweed farm.
Episode highlights
The investigation centres on damage to the seaweed operation. Rumours of a mermaid being responsible soon spread through the community.
Humphrey, played by Kris Marshall, even finds himself asking whether the rumours could hold truth. His domestic life also features heavily.
Plot and domestic fallout
Martha Lloyd, played by Sally Bretton, shares Humphrey’s home renovation troubles. A botched plumbing attempt escalates the couple’s troubles.
The seaside setting brings tension between conservationists and local workers. That conflict helps propel the central mystery.
Guest cast and characters
| Character | Actor | Notes |
|---|---|---|
| Jeff Simmons | Henry Miller | Fisherman and eyewitness who claims to have seen a mermaid. |
| Diana Cooper | Rina Mahoney | Local resident with recent roles across TV drama. |
| Dr Mary Rhodes | Susan George | Marine conservationist who has lobbied the council. |
| Maud Dingleby | Susan Penhaligon | Beach volunteer who spends time on litter picking. |
| Lacy Dingleby | Talia Robens | Maud’s granddaughter and an emerging conservation advocate. |
| Elijah Moore | Xander Pang | Young surfer and friend to Lacy. |
Notable credits and background
- Henry Miller’s credits include roles in Grace and His Dark Materials. He also appeared as Robert Morganstaff in Line of Duty.
- Rina Mahoney has featured in The Bay, Netflix’s Wednesday and Gangs of London. She also appears in Happy Valley, making her the show’s Happy Valley star presence here.
- Susan George is known for EastEnders and other long-running work.
- Susan Penhaligon earned recognition in A Fine Romance and Emmerdale.
- Talia Robens and Xander Pang appear as newcomers to television drama in this episode.
Where and when to watch
The series airs on BBC One every Friday at 8pm. This S4E4 instalment delivers mystery and local colour.
Filmogaz.com published this report on 17 April 2026.