Movies Like Under Lock and Key

If you liked Under Lock and Key, a mystery and comedy movie directed by Dawson Jolicoeur, 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 Thursday Murder Club (2025)
★ 6.6/10Also comedy and mystery
A group of senior sleuths passionate about solving cold cases get plunged into a real-life murder mystery in this comic crime caper.
2
Who's Harry Crumb? (1989)
★ 6/10Also comedy and mystery
Harry Crumb is a bumbling and inept private investigator who is hired to solve the kidnapping of a young heiress which he's not expected to solve because his employer is the mastermind behind the kidnapping.
3
The Thin Man Goes Home (1944)
★ 7.1/10Also comedy and mystery
Hoping for a peaceful visit with his parents in the small town of Sycamore Springs, Nick Charles and his wife Nora soon find themselves surrounded by old rivalries, family tensions, and a mysterious murder. Nick’s…
4
Shadow of the Thin Man (1941)
★ 7/10Also comedy and mystery
While attending a major horse race with their young son, Nick Jr., Nick and Nora Charles witnesse a shocking murder from the crowded grandstand. What first appears to be an isolated killing soon leads to a maze of…
5
Timmy Failure: Mistakes Were Made (2020)
★ 6.2/10Also comedy and mystery
An 11-year old boy believes that he is the best detective in town and runs the agency Total Failures with his best friend, an imaginary 1,200 pound polar bear.
6
Confess, Fletch (2022)
★ 6.2/10Also comedy and mystery
The roguishly charming and endlessly troublesome Fletch becomes the prime suspect in a murder case while searching for a stolen art collection. The only way to prove his innocence? Find out which of the long list of…
7
Song of the Thin Man (1947)
★ 6.7/10Also comedy and mystery
While attending a glamorous jazz cruise on New York’s East River, Nick and Nora Charles witness the fatal shooting of a wealthy patron. When suspicion falls on a young bandleader and his musicians, the couple steps in…
8
The Adventures of Ford Fairlane (1990)
★ 6.1/10Also comedy and mystery
To the Los Angeles elite, Ford Fairlane is known as "Mr. Rock 'n' Roll Detective." This loudmouthed ladies' man serves an exclusive rock star clientele, who depend on his keen eye and smug discretion. So when a…
9
Thirteen at Dinner (1985)
★ 5.9/10Also mystery
Actress Jane Wilkinson wants a divorce, but her husband, Lord Edgware, refuses. She convinces Hercule Poirot to use his famed tact and logic to make her case. Lord Edgware turns up murdered, a well-placed knife wound…
10
Sherlock Jr. (1924)
★ 8/10Also comedy and mystery
A film projectionist longs to be a detective, and puts his meager skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.
11
Foul Play (1978)
★ 6.3/10Also comedy and mystery
A shy San Francisco librarian and a bumbling cop fall in love as they solve a crime involving albinos, dwarves, and the Catholic Church.
12
A Shot in the Dark (1964)
★ 7.2/10Also comedy and mystery
Inspector Jacques Clouseau, smitten with the accused maid Maria Gambrelli, unwittingly turns a straightforward murder investigation into a comedic series of mishaps, testing the patience of his irritable boss Charles…
13
The Pink Panther Strikes Again (1976)
★ 6.9/10Also comedy
Charles Dreyfus, who has finally cracked over inspector Clouseau's antics, escapes from a mental institution and launches an elaborate plan to get rid of Clouseau once and for all.
14
Crooked House (2017)
★ 6.4/10Also mystery
A private investigator helps a former flame solve the murder of her wealthy grandfather, who lived in a sprawling estate surrounded by his idiosyncratic family.
15
Breathless (2012)
★ 5.9/10Also comedy and mystery
Lorna is a strong-willed Texas woman who’s had enough of her untrustworthy husband Dale’s criminal acts and lack of husbandry. Fed up, she enlists the help of her old friend, Tiny, to help her figure out what to do…
16
Overdrive (2017)
★ 6.1/10Also mystery
Master car thieves square off against French gangsters in the South of France with money, women and lives all on the line.
17
The International (2009)
★ 6.3/10Also mystery
An interpol agent and an attorney are determined to bring one of the world's most powerful banks to justice. Uncovering money laundering, arms trading, and conspiracy to destabilize world governments, their…
18
The Naked Gun (2025)
★ 6.3/10Also comedy
Only one man has the particular set of skills... to lead Police Squad and save the world: Lt. Frank Drebin Jr. Following in his father's footsteps, he must solve a murder case to prevent Police Squad from closure.
19
The Mirror Crack'd (1980)
★ 6.1/10Also mystery
Jane Marple solves the mystery when a local woman is poisoned and a visiting movie star seems to have been the intended victim.
20
Scooby-Doo (2002)
★ 6.1/10Also mystery and comedy
When the Mystery Inc. gang is invited to Spooky Island, a popular amusement park, they soon discover that the attractions aren't the only things that are spooky. Strange things are happening, and it's up to Scooby…