Movies Like An Unknown Heir

If you liked An Unknown Heir (1974), a comedy movie directed by Gennadi Kazansky and Oleg Dashkevich, 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
Jackass Presents: Bad Grandpa (2013)
★ 6.2/10Also comedy
86-year-old Irving Zisman is on a journey across America with the most unlikely companion: his 8 year-old grandson, Billy.
2
Thunderstruck (2012)
★ 6.2/10Also comedy
After NBA star Kevin Durant switches talent with 16 year old Brian, the teenager becomes the star of his high school team, but Durant starts struggling and eventually learns an important lesson.
3
Wet Hot American Summer (2001)
★ 6.2/10Also comedy
It's the last day of Camp Firewood's season, but there's still time for the big talent show, a little romance… and for everyone to be wiped out by the piece of NASA's Skylab that's hurtling toward Earth.
4
Osmosis Jones (2001)
★ 6.5/10Also comedy
A white blood cell policeman, with the help of a cold pill, must stop a deadly virus from destroying the human they live in, Frank.
5
Babes (2024)
★ 6/10Also comedy
After getting pregnant from a one-night stand, a single woman leans on her married best friend and mother of two to guide her through gestation and beyond.
6
Maksim Perepelitsa (1955)
★ 6.9/10Also comedy
Maksim Perepelitsa is a cheerful, mischievous and resourceful young man from a Ukrainian village. He loves to make up stories and invent practical jokes. When he is drafted into the Russian Army, he doesn't stop his…
7
The Land of OZ (2015)
★ 5.9/10Also comedy
In Yekaterinburg over the Christmas period, shop assistant Lenka Shabadinova experiences a number of incredible events and unexpected meetings.
8
Accident Man (2018)
★ 6.3/10Also comedy
Mike Fallon, the Accident Man, is a stone cold killer. When a loved one is murdered by his own crew, Fallon is forced to avenge the one person who actually meant something to him.
9
LEGO Marvel Avengers: Mission Demolition (2024)
★ 6.5/10Also comedy
A young, aspiring hero and superhero fan inadvertently unleashes a powerful new villain looking to rid the world of the Avengers.
10
The Union (2024)
★ 6/10Also comedy
A New Jersey construction worker goes from regular guy to aspiring spy when his long-lost high school sweetheart recruits him for an espionage mission.
11
The F**k-It List (2020)
★ 6/10Also comedy
After a prank blows up a studious high school senior's life, he shares a list of certain things he wishes he'd done differently — and maybe still can.
12
Duplex (2003)
★ 6.1/10Also comedy
When a young couple buys their dream home, they have no idea what the sweet little old lady upstairs is going to put them through!
13
Playing with Fire (2019)
★ 6.6/10Also comedy
A crew of rugged firefighters meet their match when attempting to rescue three rambunctious kids.
14
Fun with Dick and Jane (1977)
★ 6.6/10Also comedy
When an upwardly mobile couple find themselves unemployed and in debt, they turn to armed robbery in desperation.
15
The Willoughbys (2020)
★ 7.1/10Also comedy
When the four Willoughby children are abandoned by their selfish parents, they must learn how to adapt their Old-Fashioned values to the contemporary world in order to create something new: The Modern Family.
16
The Wedding Year (2019)
★ 5.9/10Also comedy
A commitment-phobic 27-year old’s relationship is put to the test when she and her boyfriend attend 7 weddings in the same year.
17
Old Dads (2023)
★ 6.2/10Also comedy
A cranky middle-aged dad and his two best friends find themselves out of step in a changing world of millennial CEOs and powerful preschool principals.
18
Who Is Cletis Tout? (2001)
★ 5.9/10Also comedy
With a hitman’s gun aimed at him, Finch tells the story of how he broke out of jail, fell in love, and took the identity of a man wanted by the Mafia.
19
How to Eat Fried Worms (2006)
★ 6.2/10Also comedy
During the first day of his new school year, a fifth grade boy squares off against a bully and winds up accepting a dare that could change the balance of power within the class.
20
Stewie Griffin: The Untold Story (2005)
★ 6.9/10Also comedy
The maniacal baby of the Griffin family, Stewie, meets his future self. In doing this he discovers that his future image is not what he has anticipated because of a near death experience.