Let's Kill Uncle poster
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Let's Kill Uncle

5.519661h 32mMovieThrillerHorror

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…

DirectorWilliam Castle
WriterMark Rodgers
ProducerWilliam Castle

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Let's Kill Uncle was released on November 18, 1966 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by William Castle

Nigel Green
Nigel Green
Major Kevin Harrison
Mary Badham
Mary Badham
Chrissie
Pat Cardi
Pat Cardi
Barnaby Harrison
Robert Pickering
Robert Pickering
Travis
Linda Lawson
Linda Lawson
Justine
Ref Sanchez
Ref Sanchez
Ketchman
Nestor Paiva
Nestor Paiva
Steward
William Castle
William Castle
Russell Harrison (in car wreck) (uncredited)

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Let's Kill Uncle — streaming FAQ

Which OTT platform streams Let's Kill Uncle?

Let's Kill Uncle isn't streaming anywhere in Canada yet.

Is Let's Kill Uncle on Netflix?

No, Let's Kill Uncle is not on Netflix in Canada as of August 2026.

Is Let's Kill Uncle on Amazon Prime Video?

No, Let's Kill Uncle isn't on Amazon Prime Video in Canada right now.

Where can I watch Let's Kill Uncle for free?

Let's Kill Uncle isn't streaming in Canada yet, so there's no way to watch it free at the moment.

What is the OTT release date for Let's Kill Uncle?

Let's Kill Uncle hasn't started streaming in Canada yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around January 6, 1967. This is a prediction, not a confirmed date.