The Viper Brothers: 18 Extortion Threats
1972, Japanese. Directed by Sadao Nakajima.
Part 4 in a long running (8+1 films) action/comedy/melodrama series about a pair of short tempered, amoral, but not evil chinpira (Bunta Sugawara and Tamio Kawachi) thinking too big of themselves. Sugawara tries to overcome a traumatic experience of getting in bed blindfolded with a girl who turned out to be an old granny. Later he and Kawaji try to settle down in a neighbourhood harassed by businessman yakuza Bin Amatsu.
- Runtime
- 1h 28m
- Post-credits
- None listed
- Language
- Japanese
- Rated
- Check local
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Where to watch The Viper Brothers: 18 Extortion Threats
The Viper Brothers: 18 Extortion Threats isn’t streaming on any OTT platform in India yet; it released on 25 August 1972.
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The Viper Brothers Collection
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The Viper Brothers: watch order
Cast & crew
Details
- Released
- 25 August 1972
- Original title
- まむしの兄弟 傷害恐喝十八犯
- Country
- Japan
- Written by
- Susumu Saji, Michio Sobu
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News & fan talk
Watch before The Viper Brothers: 18 Extortion Threats
In release order. The films it follows, and anything it builds on.
After The Viper Brothers: 18 Extortion Threats
What comes next in the series.
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The Viper Brothers: 18 Extortion Threats: quick answers
What should I watch before The Viper Brothers: 18 Extortion Threats?
Watch The Viper Brothers (1971), The Viper Brothers Rage Again (1971), and The Viper Brothers: Prison Gang 13 (1972) first.
What comes after The Viper Brothers: 18 Extortion Threats?
Next in the series: The Viper Brothers: Four and a Half Years in Jail (1973), The Viper Brothers: The Blackmailers (1973), and The Viper Brothers: Up on 30 Charges (1974).
Is The Viper Brothers: 18 Extortion Threats worth watching?
The Viper Brothers: 18 Extortion Threats doesn’t have enough ratings for a verdict yet.
How long is The Viper Brothers: 18 Extortion Threats?
The Viper Brothers: 18 Extortion Threats runs 88 minutes (1h 28m).
Does The Viper Brothers: 18 Extortion Threats have a post-credits scene?
None is listed for The Viper Brothers: 18 Extortion Threats. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
The Viper Brothers: 18 Extortion Threats parents guide: is it suitable for kids?
No age rating is listed for The Viper Brothers: 18 Extortion Threats yet.
Which OTT platform is The Viper Brothers: 18 Extortion Threats on?
The Viper Brothers: 18 Extortion Threats isn’t streaming on any OTT platform in India yet; it released on 25 August 1972. (Checked 13 November 2026.)
What movies are like The Viper Brothers: 18 Extortion Threats?
If you liked The Viper Brothers: 18 Extortion Threats, try How to Rob a Bank, The Fable, Sheroes.
Who directed The Viper Brothers: 18 Extortion Threats?
The Viper Brothers: 18 Extortion Threats (1972) was directed by Sadao Nakajima and stars Bunta Sugawara, Tsunehiko Watase, Masaru Shiga.