Knock Knock (2021): cast, story & where to watch
2021 · Film · ★ 7
Released in 2021, Knock Knock is a comedy, thriller and mystery film directed by Xiang Liu, running about 110 minutes.
What it’s about. 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.
Who’s in it. Knock Knock stars Fan Wei as Old Li, Shawn Dou as Ma Mingliang, Zhang Songwen as Yan Zheng and Zhu Zhu as Lily, among others.
How it landed. With an audience score of 7.0/10, Knock Knock has been warmly received by audiences.
Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch Knock Knock page.
If you liked it. Fans of Knock Knock tend to enjoy Forrest Gump, Parasite, Life Is Beautiful and Fight Club.
Frequently asked
- Where can I watch Knock Knock (2021)?
- Streaming, rental and purchase options for Knock Knock change frequently. Check our where-to-watch page for the latest availability in your country.
- Is Knock Knock worth watching?
- Knock Knock holds an audience score of 7.0 out of 10, and is a strong pick if you enjoy comedy, thriller and mystery. Most viewers rate it highly.
- Who stars in Knock Knock?
- Knock Knock stars Fan Wei, Shawn Dou, Zhang Songwen, Zhu Zhu and Liang Chao.
- When was Knock Knock released?
- Knock Knock was released in 2021, with a runtime of about 110 minutes.