Knock Knock
2021, Chinese. Directed by Liu Xiang.
In one night, in one room, three strangers–a thief, a retired policeman, and a delivery guy–are all present during the murder of the room's occupant. As the trio tries to figure out this bizarre situation, the stakes are raised when they discover a huge pile of cash. They soon realize that the only way to get out alive is to unravel this mystery. What initially seems like a coincidence, turns out to be destined from the beginning.
- Runtime
- 1h 50m
- Post-credits
- None listed
- Language
- Chinese
- Rated
- NR
Start now and it ends at ….
Too new to call
Not enough people have rated it yet for a verdict.
Seen it? Give your verdict.
Saved privately on this device.
Where to watch Knock Knock
Knock Knock isn’t streaming on any OTT platform in India yet; it released on 22 October 2021.
No streaming listings yet. Search JustWatch.
Cast & crew
Details
- Released
- 22 October 2021
- Original title
- 不速来客
- Country
- China
- Written by
- Long Zhang, Liu Xiang
Check ratings elsewhere
News & fan talk
If you liked Knock Knock
Deathtrap
1982 · 6.7/10
Popcorn FlickRecommended by TMDB viewers
The Glass Key
1942 · 6.7/10
Popcorn FlickRecommended by TMDB viewers
Hostile Takeover
2025 · 6.9/10
Popcorn FlickRecommended by TMDB viewers
Detective Chinatown
2015 · 6.8/10
Popcorn FlickRecommended by TMDB viewers
LaRoy, Texas
2024 · 6.8/10
Popcorn FlickRecommended by TMDB viewers
Shadow of the Thin Man
1941 · 7.0/10
Worth the HypeRecommended by TMDB viewers
Song of the Thin Man
1947 · 6.7/10
Popcorn FlickRecommended by TMDB viewers
The Mirror Crack'd
1980 · 6.1/10
Popcorn FlickRecommended by TMDB viewers
Another Thin Man
1939 · 7.1/10
Worth the HypeRecommended by TMDB viewers
A Shot in the Dark
1964 · 7.2/10
Worth the HypeRecommended by TMDB viewers
Knock Knock: quick answers
Is Knock Knock worth watching?
Knock Knock doesn’t have enough ratings for a verdict yet.
How long is Knock Knock?
Knock Knock runs 110 minutes (1h 50m).
Does Knock Knock have a post-credits scene?
None is listed for Knock Knock. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Knock Knock parents guide: is it suitable for kids?
Knock Knock is rated NR in India. Check the rating guidance before watching with young children.
Which OTT platform is Knock Knock on?
Knock Knock isn’t streaming on any OTT platform in India yet; it released on 22 October 2021. (Checked 9 November 2026.)
What movies are like Knock Knock?
If you liked Knock Knock, try Deathtrap, The Glass Key, Hostile Takeover.
Who directed Knock Knock?
Knock Knock (2021) was directed by Liu Xiang and stars Fan Wei, Shawn Dou, Zhang Songwen.