Movies Like 7-21-1991

If you liked 7-21-1991 (2020), a mystery and thriller movie directed by Tommy Cavanagh, 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
Quicksand (2023)
★ 6.1/10Also thriller and mystery
A married couple on the brink of divorce becomes trapped in quicksand while hiking through a Colombian rainforest. It’s a struggle for survival as they battle the elements of the jungle and must work together in order…
2
Maniac (1963)
★ 6.2/10Also mystery and thriller
When a stranger enters a quiet, country town and is seduced by a sensuous married woman he unwittingly finds himself at the centre of a storm of sexual guilt and murder.
3
The Night Stalker (1972)
★ 6.9/10Also mystery and thriller
Wisecracking reporter Carl Kolchak investigates a string of murders in Las Vegas and suspects the culprit is a vampire. His editor thinks he's crazy and the police think he's a nuisance, so Kolchak takes matters into…
4
The Time Shifters (1999)
★ 5.8/10Also science fiction and thriller
Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.
5
Doctor Who: Voyage of the Damned (2007)
★ 7.6/10Also science fiction and mystery
When disaster hits the Titanic, the Doctor uncovers a threat to the whole human race. Battling alongside aliens, saboteurs, robot Angels and a new friend called Astrid, can he stop the Christmas inferno?
6
Space/Time (2025)
★ 5.8/10Also science fiction and thriller
After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.
7
Time Without Pity (1957)
★ 6.5/10Also thriller and mystery
Alec Graham is sentenced to death for the murder of his girlfriend Jennie, with whom he spent a weekend at the English country home of the parents of his friend Brian Stanford. Alec’s father, David Graham, a…
8
Invasion of the Body Snatchers (1956)
★ 7.5/10Also science fiction and thriller
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
9
The Andromeda Strain (1971)
★ 7/10Also science fiction and thriller
When virtually all of the residents of Piedmont, New Mexico are found dead after the return to Earth of a space satellite, the head of the US Air Force's Project Scoop declares an emergency. A group of eminent…
10
The Deadly Affair (1967)
★ 6.3/10Also thriller and mystery
Charles Dobbs is a British secret agent investigating the apparent suicide of Foreign Office official Samuel Fennan. Dobbs suspects that Fennan's wife, Elsa, a survivor of a Nazi Germany extermination camp, might have…
11
Doctor Who: Planet of the Dead (2009)
★ 7.5/10Also science fiction and thriller
A meeting in a London bus with jewel thief Lady Christina takes a turn for the worse for the Doctor when the bus takes a detour to a desert-like planet, where the deadly Swarm awaits.
12
Frequencies (2013)
★ 6.6/10Also science fiction and mystery
The story of the forbidden relationship between a 'low born' boy and a 'high born' girl in an alternate reality where every person's relationships and life worth are determined by their innate 'frequencies'.
13
Force of Nature: The Dry 2 (2024)
★ 6.3/10Also mystery and thriller
When five women take part in a corporate hiking retreat and only four come out on the other side, Federal Agents Aaron Falk and Carmen Cooper head deep into the Victorian mountain ranges to investigate in the hopes of…
14
The Time Machine (1960)
★ 7.4/10Also thriller and science fiction
A Victorian Englishman travels to the far future and finds that humanity has divided into two hostile species.
15
The Mirror Crack'd (1980)
★ 6.1/10Also mystery and thriller
Jane Marple solves the mystery when a local woman is poisoned and a visiting movie star seems to have been the intended victim.
16
The Arrival (1996)
★ 6/10Also science fiction and thriller
Zane Ziminski is an astrophysicist who receives a message that seems to have extraterrestrial origins. Eerily soon after his discovery, Zane is fired. He then embarks on a search to determine the origins of the…
17
Sherlock Holmes and the Voice of Terror (1942)
★ 6.5/10Also mystery and thriller
England, at the start of World War Two. Mysterious wireless broadcasts, apparently from Nazi Germany are heard over the BBC. They warn of acts of terror in England, just before they take place. Baffled, the Defense…
18
Futureworld (1976)
★ 5.9/10Also science fiction and thriller
Two years after the Westworld tragedy in the Delos amusement park, the corporate owners have reopened the park following over $1 billion in safety and other improvements. For publicity purposes, reporters Chuck…
19
Foreign Correspondent (1940)
★ 7/10Also thriller and mystery
American crime reporter John Jones is reassigned to Europe as a foreign correspondent to cover the imminent war. When he walks into the middle of an assassination and stumbles on a spy ring, he seeks help from a…
20
Nancy (2018)
★ 5.8/10Also mystery and thriller
Nancy becomes increasingly convinced she was kidnapped as a child. When she meets a couple whose daughter went missing thirty years ago, reasonable doubts give way to willful belief.