Let's Kill Uncle - (Movie Clip) A Pool With A Shark In It

Let's Kill Uncle -- (Movie Clip) I Brought You Fish

Pre-teen Chrissie (Mary Badham) getting reacquainted with aunt Justine (Linda Lawson), whom she's come to visit on the island, then meeting Ketchman (Reff Sanchez), in William Castle's Let's Kill Uncle, 1966.

Let's Kill Uncle -- (Movie Clip) Madness And Sanity

Now practicing his martial arts, Uncle Kevin (Nigel Green) freely reveals his sinister plot to newly-orphaned nephew Barnaby (Pat Cardi), in William Castle's Let's Kill Uncle, 1966.

Let's Kill Uncle -- (Movie Clip) I'm Gonna Whack You Both!

Early expository scene on the boat, as cop Travis (Robert Pickering) wrangles young Chrissie (Mary "Scout" Badham) and Barnaby (Pat Cardi), in producer-director William Castle's Let's Kill Uncle, 1966.

Let's Kill Uncle -- (Movie Clip) A Vise Of Terror

Super-spy Uncle Kevin (Nigel Green), just arrived on the island, oddly in uniform, awakens nephew Barnaby (Pat Cardi) and takes him for a stroll, in William Castle's Let's Kill Uncle, 1966.