Let's Kill Uncle Movie (1966) - Nigel Green, Mary Badham, Pat Cardim, Robert Pickering

Let's Kill Uncle Movie (1966) - Trailer HD - Plot synopsis: 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.

Director: William Castle
Writers: Mark Rodgers, June O'Grady
Stars: Nigel Green, Mary Badham, Pat Cardim, Robert Pickering