A young lady is about to hang her new antique mirror to the wall when someone mysteriously leaves a box on her doorstep. As she gets ready to open it, knocks start to spread around in her apartment. Who is it? Or should we say what is it?
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Explore wallpapers from films starring the Knock Knock! cast
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Last updated: June 9, 2026
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Quick answers about Knock Knock! wallpapers, cast, and downloads.
Moviely has 1 free Knock Knock! cinematic wallpapers available to browse, preview in Mac Mode, and download.
Yes. Every Knock Knock! backdrop on Moviely is free to preview and download for personal desktop or mobile wallpaper use.
Knock Knock! wallpapers are available in HD and original quality, with smart resolution suggestions based on your display.
Yes. Open any Knock Knock! wallpaper in Mac Mode to preview it on a desktop or iPhone lock screen before downloading.
Open the Knock Knock! page, pick a backdrop, choose your preferred resolution (HD, Full HD, or Original), and click Download.
Knock Knock! released in 2015. Moviely hosts cinematic wallpapers captured from the movie's official backdrop imagery.
Knock Knock! is categorized as Mystery, Horror.
Maxence Rapp directed Knock Knock!.
Knock Knock! has a runtime of 8min.
The best Knock Knock! wallpaper depends on your screen. Browse all 1 backdrops and use Mac Mode to compare how each looks on desktop or mobile.
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