- The film is based on the 2012 novel of the same name by Bethan Roberts.
- Principal photography began in April 2021. Filming took place in London and Brighton and Hove. In Hove, filming took place at The Regency Town House in Brunswick Square for the wedding scene.
- Lily James was originally cast but dropped out and was later replaced by Emma Corrin.
- My Policeman had its world premiere at the Toronto International Film Festival on September 11, 2022.
- The film had a limited global release on October 21, 2022, by Amazon Studios before its streaming release on November 4, 2022, by Prime Video.
- The film received mixed reviews from critics, who praised Dawson’s performance but criticized the direction and the screenplay.