

23
- Drama
- Thriller
The movie's plot is based on the true story of a group of young computer hackers from Hannover, Germany. In the late 1980s the orphaned Karl Koch invests his heritage in a flat and a home computer. At first he dials up to bulletin boards to discuss conspiracy theories inspired by his favorite novel, R.A. Wilson's "Illuminatus", but soon he and his friend David start breaking into government and military computers. Pepe, one of Karl's rather criminal acquaintances senses that there is money in computer cracking - he travels to east Berlin and tries to contact the KGB.
23 is a 1998 German drama thriller based on the true story of Karl Koch and a group of young hackers from Hannover who infiltrated government and military computer systems in the late 1980s. The film follows Koch's descent from conspiracy-theory enthusiast to computer criminal, culminating in a dangerous scheme involving the KGB. Already released, the film is available through various streaming and digital platforms.
When does 23 come out?
Where to watch
Streaming availability in United States
Not available on any tracked streaming service in United States right now.
Available in: Austria · Switzerland · Germany · Luxembourg
23 is streaming in another region
Available to stream in Austria Switzerland Germany— but not in United States.
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In cinemas
Theatrical release in United States
Wide release in United States
Theatrical dates from TMDB. Cinema chain links go to the official websites for showtimes and bookings — check there for the actual showtimes near you.
Rent or buy
Digital purchase & rental in United States
Not available to rent or buy in United States yet. Available to rent or buy in: Austria · Switzerland · Germany · Luxembourg
Where to watch 23 by country
Top cast
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August DiehlKarl Koch
Fabian BuschDavid
Dieter LandurisPepe
Jan-Gregor KrempLupo
Burghart KlaußnerWeber
Stephan KampwirthJochen Maiwald
Zbigniew ZamachowskiSergej
Peter FitzBrückner
Lilly Marie TschörtnerBeate- Arnulf SchumacherSeybert
Patrick JoswigAlex
Sven LehmannComputerverkäufer
Regine ZimmermannPepes Freundin
Armin DillenbergerKellner im Zug
Oscar Ortega SánchezMr. Minit

Related & spin-offs
Other titles fans of 23 tend to follow.
23 — frequently asked
When was 23 released?
23 premiered on July 2, 1998.
Is 23 based on a true story?
Yes, the film is based on the real-life exploits of Karl Koch and other young computer hackers from Hannover, Germany, who broke into government and military systems in the late 1980s.
What is 23 about?
The film follows Karl Koch, an orphan who uses his inheritance to buy a computer and initially explores conspiracy theories online before he and his friend David begin hacking into secure government and military networks. When associate Pepe sees profit potential, he attempts to broker the group's skills with the KGB.
Where can I watch 23?
As a 1998 film, 23 is available on various streaming platforms, digital rental services, and physical media; availability varies by region and service.









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