Celyn Jonesscreen performanceCelyn Jones plays Dyfan in On the Sea.
1 linked movie guide in this sequence
FILM POSTER · On the SeaOn the Sea (2026)
Dyfan
Film guide, starting point, and performer.
Dyfan appears in On the Sea (2026), portrayed by Celyn Jones. This page focuses on that specific screen performance and the movie around it.
Film guide · 1 film · 2026 · 1 performerTHE MOVIE
Dyfan on screen
One focused screen portrayal, with the performer and movie linked directly below.
Film guide · 1 film · 2026Main sequence runtime: 1h 55m
About the scores
Scores shown are MoviHero movie-guide scores. Missing scores stay blank, and tied top scores remain tied.
- 01MoviHero score79/100WORTH IT
THE PERFORMANCE
Who plays Dyfan?
Meet the performer and open their full MoviHero profile. Coverage below refers to linked movie guides in this sequence.
Celyn Jonesscreen performanceWHY THE CHARACTER WORKS
What defines Dyfan
Celyn Jones’s performance in On the Sea is the center of this character page. With only one film in the current screen path, the useful comparison is between the character, the performer and the role that film asks them to play—not an invented larger timeline.