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Let's Kill Uncle · Movie Vault
LibraryLet's Kill Uncle
Let's Kill Uncle poster

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Let's Kill Uncle

19661h 32m5.5/ 10 · TMDB · 17 votes
ComedyThrillerHorror

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.

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Directed by William Castle

Our screenings

A
Ansh Kapoor

No screenings recorded

Unwatched

The people behind the story

Nigel Green
Nigel Green

Major Kevin Harrison

Mary Badham
Mary Badham

Chrissie

Pat Cardi
Pat Cardi

Barnaby Harrison

Robert Pickering

Travis

Linda Lawson
Linda Lawson

Justine

Ref Sanchez

Ketchman

Nestor Paiva
Nestor Paiva

Steward

William Castle
William Castle

Russell Harrison (in car wreck) (uncredited)

Where to watch

Streaming availability is not currently listed for India. Listings may be incomplete.

Last checked 9 Oct 2026.

Availability data by JustWatch via TMDB. Confirm availability with the service.

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Film details

Released18 Nov 1966
Original languageEnglish
CountriesUnited Kingdom, United States of America
View on TMDB