Knock Knock
“One night can cost you everything.”
Synopsis
When a devoted husband and father is left home alone for the weekend, two stranded young women unexpectedly knock on his door for help. What starts out as a kind gesture results in a dangerous seduction and a deadly game of cat and mouse.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
Official :60 TrailerOfficial
Type: Trailer • Published 2015-09-19
Top Cast
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Release History & Theatrical Window
Night Visions Film Festival
Festival / Special Debut
October 9, 2015
Wide Cinema Exhibition
October 14, 2025
Physical Home Media
Financials & Box Office Performance
Production Budget
$2.5M
Filming & production cost
Worldwide Gross
$6.3M
Total global ticket sales
Box Office Return
2.54x
+$3.8M net gain
Theatrical Status
Profitable
Box office tier
Key Information & Fast Facts
- Director
- Eli Roth
- Screenplay & Story
- Eli Roth, Nicolás López, Guillermo Amoedo
- Original Score
- Manuel Riveiro
- Original Title
- Knock Knock
- Country of Origin
- Chile, Germany, United States of America
- Spoken Languages
- Spanish, English
- Runtime
- 1h 39m
- Production Budget
- $2.5M
- Worldwide Gross
- $6.3M
- Production Studios
- Sobras International Pictures, UFA, Black Bear Pictures, Camp Grey, Elevated Films, Movie Trailer House, Dragonfly Entertainment, Voltage Pictures
Creative Leadership & Key Crew
Eli Roth
Eli Roth, Nicolás López, Guillermo Amoedo, Anthony Overman, Michael Ronald Ross
Manuel Riveiro
Antonio Quercia
Diego Macho Gómez
Larry Spiegel, Teddy Schwarzman, Sondra Locke, Colleen Camp, Tim Degraye
Department Leadership Roster
Eli Roth
Director
Eli Roth
Screenplay
Nicolás López
Screenplay
Guillermo Amoedo
Screenplay
Wernher Schurmann
Stunt Coordinator
Antonio Quercia
Director of Photography
Rodrigo Rojas Echaiz
Visual Effects Supervisor
Elisa Hormazábal
Costume Design
Marichi Palacios
Production Design
Colleen Camp
Producer
Tim Degraye
Producer
Cassian Elwes
Producer
Eli Roth
Producer
Nicolás López
Producer
Manuel Riveiro
Original Music Composer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
R: Restricted — Under 17 requires accompanying parent or adult guardian.
International Certification Matrix
FSK 16 — Restricted to viewers aged 16 and older.
Interdit aux moins de 12 ans — 12+ only.
Suitable only for adults 18 years and over.
Restricted to Adults (18+).
Restricted — Under 17 requires accompanying parent or adult guardian.
Production Stills & Gallery
Official cinematic photography and background stills for Knock Knock.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring Knock Knock.
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Frequently Asked Questions About Knock Knock
Quick factual answers about cast, synopsis, director, box office, and release information.
What is Knock Knock about?
When a devoted husband and father is left home alone for the weekend, two stranded young women unexpectedly knock on his door for help. What starts out as a kind gesture results in a dangerous seduction and a deadly game of cat and mouse.
Who directed Knock Knock?
Knock Knock was directed by Eli Roth.
Who stars in Knock Knock?
The principal cast of Knock Knock includes Keanu Reeves, Lorenza Izzo, Ana de Armas, Aaron Burns, Colleen Camp.
When was Knock Knock released and how long is it?
Knock Knock was released in 2015 with a total runtime of 1h 39m.
What was the box office and production budget of Knock Knock?
Knock Knock had a reported production budget of $2.5M and grossed $6.3M at the worldwide box office (2.54 return on budget, classified as a commercial hit).
Who composed the musical score for Knock Knock?
The original motion picture soundtrack for Knock Knock was composed by Manuel Riveiro.
What is the age rating and content advisory for Knock Knock?
Knock Knock holds official age classifications: AU: MA 15+; CA: 18A; DE: 16 (FSK 16 — Restricted to viewers aged 16 and older.); FR: 12 (Interdit aux moins de 12 ans — 12+ only.); GB: 18 (Suitable only for adults 18 years and over.); IN: A (Restricted to Adults (18+).); US: R (Restricted — Under 17 requires accompanying parent or adult guardian.).