# An Enemy Within
**An Enemy Within** is a British-American thriller directed and written by John Michael Kennedy, in which a bridegroom named Caleb Wingate is ordered by an assassin known as The Wolf to kill his father-in-law before midnight or his new wife dies.[1](https://wellgousa.com/films/enemy-within) • [2](https://www.imdb.com/title/tt9788706/) The film premiered on the festival circuit at the British Urban Film Festival on October 10, 2025, where it was nominated for Best UK Feature, and received a wide digital and video-on-demand release in the United States on May 15, 2026.[3](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/)
| Key fact | Detail |
|---|---|
| Director and writer | John Michael Kennedy, his debut narrative feature[2](https://www.imdb.com/title/tt9788706/) • [3](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/) |
| Plot | On his wedding night, Caleb Wingate is ordered to kill his father-in-law before midnight or his bride dies; the assassin is known as The Wolf[1](https://wellgousa.com/films/enemy-within) |
| Lead cast | William Moseley (Caleb Wingate), Kim Spearman (Julia Foresight), Patrick Baladi (Robert Foresight), Harrison Daniels (The Wolf)[2](https://www.imdb.com/title/tt9788706/) |
| Festival premiere | British Urban Film Festival, October 10, 2025; Best UK Feature nomination[3](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/) |
| US release | May 15, 2026, digital and video on demand, distributed by Saban Films[3](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/) • [4](https://www.rottentomatoes.com/m/an_enemy_within) |
| Filming location | Herefordshire, England, UK[2](https://www.imdb.com/title/tt9788706/) |
| Working title | The Wedding[2](https://www.imdb.com/title/tt9788706/) |
## Spoilers
### Plot and premise
The film takes place across a single wedding celebration. Caleb Wingate, a young businessman, is marrying Julia, a wealthy British aristocrat, in a union meant to bind two competing family business empires.[3](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/) • [5](https://www.filmstarts.de/kritiken/1000031855.html) During the festivities Caleb answers a call from an anonymous caller who identifies himself as an assassin called The Wolf and issues an ultimatum: kill his new father-in-law, the corporate titan Robert Foresight, before midnight, or Julia dies.[3](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/) • [5](https://www.filmstarts.de/kritiken/1000031855.html)
The [British Board of Film Classification](https://www.edgepedia.org/british-board-of-film-classification) summarizes the setup as a killer armed with a sniper rifle giving a bridegroom a deadly ultimatum on his wedding day, with sustained sequences in which characters try to avoid being targeted by the sniper.[6](https://www.bbfc.co.uk/release/an-enemy-within-q29sbgvjdglvbjpwwc0xmdmzmdg5) As the night continues, family secrets surface and Caleb must work out who is behind the threat before it ends in blood.[1](https://wellgousa.com/films/enemy-within) A review in Wherever I Look notes that the story leaves open who hired The Wolf and whether he is acting on orders or pursuing a personal grievance against Caleb and Julia's father.[7](https://wherever-i-look.com/movies/an-enemy-within-2026-review-a-mystery-suspense-film-with-expendable-characters)
### Cast and characters
William Moseley plays Caleb Wingate, with Kim Spearman as Julia Foresight and [Patrick Baladi](https://www.edgepedia.org/patrick-baladi) as her father Robert Foresight.[2](https://www.imdb.com/title/tt9788706/) Harrison Daniels plays The Wolf.[2](https://www.imdb.com/title/tt9788706/) The ensemble also includes Tristan Gemmill as William Wingate, Alexander Lincoln as Jackson Wingate, Kate Isitt as Barbara Wingate, Toyin Omari-Kinch as Phillip Foresight, Frances Wilding as Fiona Foresight, Marc Danbury as Henry Foresight, and Molly Pepper Tuer as Lucy.[2](https://www.imdb.com/title/tt9788706/)
## Production and release
The film is a United States and United Kingdom co-production made by Volition Media Partners, Zebrafish Media, and Attic Light Films, with [Saban Films](https://www.edgepedia.org/saban-films) as international distributor.[2](https://www.imdb.com/title/tt9788706/) • [8](https://www.cinemagia.ro/filme/an-enemy-within-3328383/) Producers include Adam Beasley, Guy Davies, Michael Jefferson, and John Michael Kennedy.[9](https://pro.imdb.com/title/tt9788706/) The crew includes cinematographer Lorenzo Levrini, editor Gustav Lindquist, and composer Caleb Blood.[9](https://pro.imdb.com/title/tt9788706/) Filming took place in [Herefordshire](https://www.edgepedia.org/herefordshire), England.[2](https://www.imdb.com/title/tt9788706/)
The BBFC record lists the production year as 2023 and shows a cinema classification dated October 2, 2025, with Ten Source Media as the UK distributor and a running time of 102 minutes.[6](https://www.bbfc.co.uk/release/an-enemy-within-q29sbgvjdglvbjpwwc0xmdmzmdg5) Reported running times differ across listings: 98 minutes on IMDb, 102 minutes at the BBFC, 103 minutes on the Well Go USA official site, and 1 hour 27 minutes on Rotten Tomatoes.[2](https://www.imdb.com/title/tt9788706/) • [6](https://www.bbfc.co.uk/release/an-enemy-within-q29sbgvjdglvbjpwwc0xmdmzmdg5) • [1](https://wellgousa.com/films/enemy-within) • [4](https://www.rottentomatoes.com/m/an_enemy_within) After the festival premiere, the film reached digital and on-demand platforms in the United States on May 15, 2026, and a German DVD release followed on May 21, 2026.[3](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/) • [10](https://www.imdb.com/title/tt9788706/releaseinfo/)
The BBFC rated the film for very strong language, strong violence, and injury detail, citing bloody shootings including close-up head shots, hand-to-hand fighting, and sustained sniper-avoidance sequences.[6](https://www.bbfc.co.uk/release/an-enemy-within-q29sbgvjdglvbjpwwc0xmdmzmdg5)
## Reception
On IMDb the film holds a rating of 4.0 out of 10 from 395 user votes.[2](https://www.imdb.com/title/tt9788706/) Rotten Tomatoes lists three critic reviews and fewer than 50 audience ratings.[4](https://www.rottentomatoes.com/m/an_enemy_within) Critics were divided. Louisa Moore of Screen Zealots called it a tense, contained psychological thriller built around a strong hook but hampered by pacing issues, while Brian Orndorf of Blu-ray.com gave it a C and described it as a filmed play with a sluggish pace.[4](https://www.rottentomatoes.com/m/an_enemy_within) Debbie Lynn Elias of Behind The Lens praised what she called writer-director John Michael Kennedy's tightly coiled debut narrative feature.[4](https://www.rottentomatoes.com/m/an_enemy_within) The Gazettely review scored it 6.5 and credited the film with building an atmospheric, pressure-cooker environment that values structural tension over action.[3](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/) The Wherever I Look review gave it 73 out of 100, calling it slightly below average and criticizing performances and pacing.[7](https://wherever-i-look.com/movies/an-enemy-within-2026-review-a-mystery-suspense-film-with-expendable-characters)
## Films with similar titles
The title is shared by several unrelated works. *Enemy Within (Ota Agbegbe)* is a 2026 Nigerian drama directed and written by Otun Ara, starring Lanre Balogun, Samuel Olukunle Fafowora, and [Larry King](https://www.edgepedia.org/larry-king), scheduled for release in Nigeria on September 27, 2026.[11](https://www.imdb.com/title/tt42959408/) *The Enemy Within* is a 2019 American television series about an FBI agent and a former CIA traitor, which received a Metascore of 55, indicating mixed or average reviews.[12](https://www.metacritic.com/tv/the-enemy-within/critic-reviews/) *Enemy Within* is also a 2019 historical drama about a Japanese pilot who crash-lands on the Hawaiian island of Ni'ihau after the attack on [Pearl Harbor](https://www.edgepedia.org/pearl-harbor).[13](https://static.rottentomatoes.com/m/enemy_within)
## References
1. [An Enemy Within, Official Movie Site, Well Go USA Entertainment](https://wellgousa.com/films/enemy-within)
2. [An Enemy Within (2025), IMDb](https://www.imdb.com/title/tt9788706/)
3. [An Enemy Within Review: Subverting Earnest Persona in a High-Stakes Chamber Standoff, Gazettely](https://gazettely.com/2026/05/entertainment/an-enemy-within-review/)
4. [An Enemy Within, Rotten Tomatoes](https://www.rottentomatoes.com/m/an_enemy_within)
5. [An Enemy Within, FILMSTARTS.de](https://www.filmstarts.de/kritiken/1000031855.html)
6. [An Enemy Within, British Board of Film Classification](https://www.bbfc.co.uk/release/an-enemy-within-q29sbgvjdglvbjpwwc0xmdmzmdg5)
7. [An Enemy Within (2026) Review, Wherever I Look](https://wherever-i-look.com/movies/an-enemy-within-2026-review-a-mystery-suspense-film-with-expendable-characters)
8. [An Enemy Within (2026), CineMagia.ro](https://www.cinemagia.ro/filme/an-enemy-within-3328383/)
9. [An Enemy Within, Production Info, IMDbPro](https://pro.imdb.com/title/tt9788706/)
10. [An Enemy Within, Release Info, IMDb](https://www.imdb.com/title/tt9788706/releaseinfo/)
11. [Enemy Within (Ota Agbegbe) (2026), IMDb](https://www.imdb.com/title/tt42959408/)
12. [The Enemy Within Critic Reviews, Metacritic](https://www.metacritic.com/tv/the-enemy-within/critic-reviews/)
13. [Enemy Within (2019), Rotten Tomatoes](https://static.rottentomatoes.com/m/enemy_within)
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*Topic: Encyclopedia › Arts and culture › Screen and stage › Film and television › Films and standalone screen works › Individual films by title and year › Crime, thriller, and mystery films (individual works) › 2025–2026 films › Psychological and erotic thrillers*
*Initially written Sep 17, 2026 · Reviewed: Oct 3, 2026; Oct 25, 2026 · Edited: Oct 3, 2026; Oct 25, 2026; Nov 1, 2026 · Last review: Oct 25, 2026*
*Copyright 2026 EdgeChat AI, a subsidiary of Biostate AI.*
License: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license