Let's Kill Uncle

Directed by William Castle

Written by Mark Rodgers, June O'Grady

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.

Cast

Nigel Green

Major Kevin Harrison

Mary Badham

Chrissie

Pat Cardi

Barnaby Harrison

?

Robert Pickering

Travis

Linda Lawson

Justine

?

Ref Sanchez

Ketchman

Nestor Paiva

Steward

William Castle

Russell Harrison (in car wreck) (uncredited)