Scott Ellis Watson gives I Swear a credible younger John, then takes his physical precision into comedy. We rate this start, while waiting to see what he can do beyond reproducing someone else’s mannerisms.
Fi1m perspective
The tics in I Swear (2025) require Scott Ellis Watson to repeat movements without making the young John Davidson disappear behind them. He prepared with voice and movement coaches, studied documentary footage and spent time with Davidson. The work gives Robert Aramayo a credible younger self to follow when he takes over in John’s late teens. For a debut, that is a substantial job, and Watson’s care is worth noticing without pretending that he carries the whole film.
Kirk Jones’s film is kind and funny, but follows the familiar biopic route so faithfully that its actors have to supply much of the surprise. Aramayo remains the reason to see it. We were moved by his half-second check of who has heard a shout, which makes the effort of facing other people painfully clear. Watson’s contribution is to establish enough of John for the change of actor to feel like growing up rather than beginning another story.
His next film, Simon Hynd’s Ghosts: The Possession of Button House (2026), gives that attention to movement a comic use. As Jack, a teenager caught in the possession plot, he has to carry another character’s mannerisms inside his own performance. The impersonation works, though it is one pleasure within an ensemble comedy rather than a reason to build the evening around Watson. The film offers a funny, affectionate adventure without requiring familiarity with the sitcom, but its ambitions extend little further than giving these characters another outing.
Two performances built around reproducing someone else’s physical habits tell us something about preparation, but leave us curious about a part with fewer models to follow. There is no need to turn an attentive debut and a nimble comedy role into a fully formed reputation. Start with I Swear for Watson, even though it is Aramayo we remember most.
Biography
Scott Ellis Watson is a Scottish child actor. Born in September 2010, he made his screen debut in the 2025 biographical drama I Swear, in which he portrayed the young John Davidson.
For his performance in I Swear, Watson received nominations for Breakthrough Performance and Best Supporting Performance at the 2025 British Independent Film Awards, and was nominated for Young British/Irish Performer of the Year at the London Film Critics' Circle Awards in 2026. His work also received a commendation in the Scottish Parliament. He was named a Screen Daily Rising Star in 2026 and is set to appear as Jack Marsh in the 2026 film Ghosts: The Possession of Button House.


