Movies Like An Act of War

If you liked An Act of War (2015), a mystery and thriller movie directed by Ryan M. Kennedy, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
The Infernal Machine (2022)
★ 6.2/10Also thriller and mystery
Reclusive and controversial author Bruce Cogburn is drawn out of hiding by an obsessive fan, forcing the novelist to confront a past that he thought he could escape, and to account for events set in motion by his…
2
The Mean Season (1985)
★ 6.2/10Also mystery and thriller
A routine investigation of a shocking murder takes a bizarre twist when the killer contacts the reporter and appoints him his personal spokesman. As the killer's calls and clues increase, the reporter is lured into a…
3
Verity (2026)
★ 7/10Also mystery and thriller
Lowen Ashleigh, hired to ghostwrite for best-selling author Verity Crawford, uncovers Verity's autobiographical notes, and becomes involved in what may prove to be a lethal conspiracy.
4
The 9th Life of Louis Drax (2016)
★ 6.4/10Also mystery and thriller
A psychologist who begins working with a young boy who has suffered a near-fatal fall finds himself drawn into a mystery that tests the boundaries of fantasy and reality.
5
All the Devils Are Here (2025)
★ 6.2/10Also mystery and thriller
After a heist, four criminals lay low in a remote safehouse, waiting for orders. As paranoia builds, one thing becomes clear — the real threat may not be outside, but among them.
6
Last Man Down (2021)
★ 6.1/10Also thriller and mystery
After civilization succumbs to a deadly pandemic and his wife is murdered, a special forces soldier abandons his duty and becomes a hermit in the Nordic wilderness. Years later, a wounded woman appears on his doorstep…
7
Trigger Point (2021)
★ 6.2/10Also thriller and mystery
Nicolas Shaw is a retired U.S. special operative who becomes part of an elite 'invisible' team that quietly takes out the worst villains around the world.
8
Chief of Station (2024)
★ 6.3/10Also thriller
After learning that the death of his wife was not an accident, a former CIA Station Chief is forced back into the espionage underworld, teaming up with an adversary to unravel a conspiracy that challenges everything he…
9
Section 8 (2022)
★ 6.1/10Also thriller
After avenging the murder of his family, a former soldier is sprung from prison and recruited by a shadowy government agency.
10
Stowaway (2022)
★ 6/10Also mystery and thriller
A tenacious party girl fights to survive after three thieves commandeer her luxury yacht. Unable to escape and trapped on the yacht at high seas, the prey becomes the hunter as she turns the tables on the intruders and…
11
Lights Out (2024)
★ 7/10Also thriller
A drifting ex-soldier turns underground fighter with the help of a just-released ex-con, pitting him against corrupt cops and hired killers now gunning for him and all those he cares about.
12
Nocebo (2022)
★ 6/10Also mystery and thriller
A fashion designer suffers from a mysterious illness that puzzles her doctors and frustrates her husband until help arrives in the form of a Filipino caregiver who uses traditional folk healing to reveal a horrifying…
13
Cleaner (2007)
★ 6.1/10Also thriller and mystery
Single father and former cop Tom Cutler has an unusual occupation: he cleans up death scenes. But when he's called in to sterilize a wealthy suburban residence after a brutal shooting, Cutler is shocked to learn he may…
14
Off the Grid (2025)
★ 6.5/10Also thriller
After a morally-bankrupt company tries to weaponize a brilliant scientist's revolutionary technology, he goes off the grid to safeguard humanity. When the company sends a strike force to find him, they make their…
15
The System (2022)
★ 7.3/10Also thriller
When a young soldier, newly returned from war, gets caught up in a drug bust, he is recruited by the authorities to go undercover in a notoriously dangerous prison in order to figure out what is really going on.
16
The Engineer (2023)
★ 5.9/10Also thriller and mystery
As Israel is rocked by a series of terrorist bombings, a US senator's daughter is killed in one bloody explosion. Now, ex-Mossad agent Etan must lead an elite, covert team of agents and mercenaries to find the man…
17
180 (2026)
★ 5.9/10Also thriller
When an unexpected road rage incident puts his son in critical condition, an enraged father spirals down a dark path of emotional turmoil and vengeance.
18
Whisper (2007)
★ 6.3/10Also thriller
Sinister things begin happening to kidnappers who are holding a young boy for ransom in a remote cabin.
19
You'll Never Find Me (2024)
★ 6.1/10Also thriller
Patrick, a strange and lonely resident, lives in a mobile home at the back of an isolated caravan park. After a violent thunderstorm erupts, a mysterious young woman appears at his door, seeking shelter from the…
20
Mr. Arkadin (1955)
★ 6.8/10Also mystery and thriller
Claiming that he doesn't know his own past, a rich man enlists an ex-con with an odd bit of detective work. Gregory Arkadin says he can't remember anything before the late 1920s, and convict Guy Van Stratten is happy…