I Swear | |
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![]() Theatrical release poster | |
Directed by | Kirk Jones |
Written by | Kirk Jones |
Based on | John's Not Mad |
Produced by |
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Starring | |
Cinematography | James Blann |
Edited by | Sam Sneade |
Music by | Stephen Rennicks |
Production companies |
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Distributed by | StudioCanal |
Release dates |
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Running time | 120 minutes [1] |
Country | United Kingdom |
Language | English |
I Swear is a 2025 British biographical dramatisation comedy-drama film directed, written, and produced by Kirk Jones. It is based on the true story of John Davidson who was diagnosed with Tourette's syndrome. It also features the process of securing and the filming of the BBCs 1989 television documentary John's Not Mad [2] , at a time when it was barely identifiable. The film stars Robert Aramayo, Maxine Peake, Shirley Henderson, and Peter Mullan.
I Swear premiered at the 2025 Toronto International Film Festival on 7 September 2025, and is scheduled to be released in the United Kingdom by StudioCanal on 10 October 2025.
Filming began in Glasgow, Scotland on 3 June 2024 [3] [ better source needed ], and wrapped in August. [4]
On 27 August 2024, Robert Aramayo was set to star in the film. [4] Peter Mullan is also starring in the film. [5]
In February 2025, Bankside Films launched pre-sales for I Swear at the EFM; a promo shown to buyers in Berlin revealed the first-look image. [6]
The film premiered in the Centrepiece programme at the 2025 Toronto International Film Festival. [7]
I Swear is set to be released in the United Kingdom on 10 October 2025. [8]
It has a 100% rating on Rotten Tomatoes, based on 11 reviews. [9]