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When was Let's Kill Uncle released?

Let's Kill Uncle release date was November 18, 1966. That means the movie is out now. Production country: United Kingdom and United States of America. Original language: English.

Watch the official trailers for Let's Kill Uncle

Watch the main official trailer for Let's Kill Uncle in one place. Most of these clips were released around October 2020, capturing the movie at its peak marketing push. Use the carousel to sample the movie's visual style, story hooks and production quality before you dive into watching.

Uploaded in October 2020

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Where to watch Let's Kill Uncle for free ?

Let's Kill Uncle is available to stream on SuperFilmz. Availability can vary by region, since the film is primarily produced for audiences in United Kingdom and United States of America. However, you can watch Let's Kill Uncle for free on SuperFilmz, with ads.

What is Let's Kill Uncle about?

LOVABLE OR LETHAL? Are they bad seeds...or frightened innocents caught in a diabolical duel with death!. A 12-year-old orphan who has just inherited a fortune is trapped on an island with his uncle, a former British intelligence commander who intends to kill him. A young girl is the boy's only ally against the sarcastic uncle, who uses hypnotism, a pool of sharks, fire, and poisonous mushrooms as weapons. It blends thriller, horror elements. The film reflects a distinct United Kingdom style and perspective. The story is brought to life by director William Castle. With a runtime of 1h 32m, it offers a comfortable feature-length experience.

Cast and crew of Let's Kill Uncle

The main cast includes Nigel Green, Mary Badham and Pat Cardi. Behind the camera, the film is directed by William Castle, written by Mark Rodgers, produced by William Castle.

Nigel Green

as Major Kevin Harrison

Mary Badham

as Chrissie

Pat Cardi

as Barnaby Harrison

Robert Pickering

as Travis

Linda Lawson

as Justine

Ref Sanchez

as Ketchman

Nestor Paiva

as Steward

William Castle

as Russell Harrison (in car wreck) (uncredited)

Let's Kill Uncle Keywords (1)

Last Updated

This page was last updated on Sep 1, 2026, 3:26 PM