Let's Kill Uncle(1966)

movie - first aired/released 1966-11-18 - 92 min - audience 5.5

Thriller, Horror

Directed by William Castle

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.