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L'Héritage diabolique

Original title: Let's Kill Uncle
  • 1966
  • Approved
  • 1h 32m
IMDb RATING
5.7/10
565
YOUR RATING
Mary Badham, Pat Cardi, Nigel Green, and Linda Lawson in L'Héritage diabolique (1966)
ComedyHorrorThriller

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 ... Read allA 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 poisonou... Read allA 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 Cardi
  • See production info at IMDbPro
  • IMDb RATING
    5.7/10
    565
    YOUR RATING
    • Director
      • William Castle
    • Writers
      • Mark Rodgers
      • June O'Grady
    • Stars
      • Nigel Green
      • Mary Badham
      • Pat Cardi
    • 19User reviews
    • 19Critic reviews
  • See production info at IMDbPro
  • See production info at IMDbPro
  • Photos25

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    Top cast9

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    Nigel Green
    Nigel Green
    • The Uncle - Major Kevin Harrison
    Mary Badham
    Mary Badham
    • Chrissie
    Pat Cardi
    Pat Cardi
    • Barnaby Harrison
    Robert Pickering
    • Sgt. Frank Travis
    Linda Lawson
    Linda Lawson
    • Justine
    Ref Sanchez
    • Ketchman
    • (as Reff Sanchez)
    Nestor Paiva
    Nestor Paiva
    • Steward
    William Castle
    William Castle
    • Russell Harrison - in Car Wreck
    • (uncredited)
    Raven Grey Eagle
    • Minor Role
    • (uncredited)
    • Director
      • William Castle
    • Writers
      • Mark Rodgers
      • June O'Grady
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews19

    5.7565
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    Featured reviews

    6Bunuel1976

    LET'S KILL UNCLE (William Castle, 1966) **1/2

    This seems among the hardest of Castle's efforts to come by: there is no legitimate home video release of it and, in fact, I had first acquired a poor-quality copy taken from a 16mm print but have now upgraded to a superior (if still rather soft) one sourced from TCM just in time for its inclusion in my ongoing centenary tribute to the director. The film, then, definitely takes him off the chiller course – opting for a black comedy vein which he would retain for his two subsequent efforts (both awaiting their turn, to be sure, in my current schedule), namely THE BUSY BODY and THE SPIRIT IS WILLING (both 1967). Besides, children are once again put at the forefront of the cast (and murder victim) list – as had been the case with the recently-viewed 13 FRIGHTENED GIRLS (1963) and I SAW WHAT YOU DID (1965).

    The movie could well be confused with Nigel Patrick's HOW TO MURDER A RICH UNCLE (1957) but, here, we have a villainous relative trying to dispose of the rightful heir to a fortune – so the latter, a boy, decides to do the older man in himself before he can succeed in his nefarious scheme…hence the title and, by extension, the delightful irony of the central situation! Adding to the amusement is the fact that, though the child is ostensibly protected by a police sergeant, the latter is totally oblivious to the battle-of-wills going on around him! Besides, the kid is a compulsive liar, for which he is constantly berated by his girl companion – played by Mary Badham of TO KILL A MOCKINGBIRD (1962) fame – and of whose own female guardian the cop soon becomes enamoured. Most important of all, the uncle is a veritable (and published) WWII hero – so that his endeavours to get-rich-quick involve militaristic strategies, and a good deal of cold-bloodedness!

    While the film is certainly no lost classic, it receives a definite boost once nominal star Nigel Green (in one of his best screen roles) gets his belated introduction; among the most inventive attempts by the protagonists to outdo each other are a precarious walk near a clifftop while under a hypnotic spell; a fall into a murky pool in which a shark is at large; the 'is it or isn't it?' poisoned mushroom sauce at dinner; a flight in a private plane with a low fuel supply; and a tarantula attack. The ending, then, which puts the deadly game squarely at a draw can be seen as a cop-out – but also that Castle was only pulling our leg throughout or, if you like, having some typically ghoulish fun at our expense…despite not having an accompanying gimmick this time around or, as it turned out, ever again!
    4moonspinner55

    Kiddie movie about murder...awkward and under-developed, but certainly unusual

    Orphaned, imaginative youngster (Pat Cardi), living on an isolated (some say haunted!) island with his uncle (Nigel Green), learns that his bug-eyed relative wants him dispatched permanently in order to cash in on the lad's $5M inheritance. The boy then involves his bickering playmate (Mary Badham) in turning the tables on the nefarious grown-up, who seems to take delight in this deadly game of cat-and-mouse. Screenwriter Mark Rodgers, working from a novel by Rohan O'Grady, and Castle appear to be targeting the family audience with this thriller. Much like their goal, the film is curious and intriguing without being truly provocative. The kids plot to poison Uncle with mushrooms but are somehow thwarted, while Uncle--armed with a can of gasoline--attempts to set the two on fire (but how would he explain their deaths to the authorities?). You absolutely cannot look for logic in a Castle screamer, but imagine how good--if not great--his films might have been with a little smarts! *1/2 from ****
    5swftintrdr1

    Worth a second look

    I remember this movie from my youth. I must have seen it for the first and last time around the mid-70's. I too finally found a DVD copy on the internet. I have always been drawn to see this movie in it's entirety, for I do not remember much of the movie besides the old hotel and the shark in the swimming pool. (Cheesy clips of the shark really "age" this movie compared to today's fix capabilities.) Approaching the young age of 40, perhaps I was trying to recapture some of my youth. None the less, the movie was a thrill to see after all of these years. I will keep it in my collection and let my boys watch it as I did in my younger days. Nigel Green is quite good in this movie, I must admit.
    6gridoon2025

    William Castle is a great children's director

    "Let's Kill Uncle!" is an enjoyable black comedy, though a little too soft at the end. Its strongest point is the genuine, natural relationship between Barnaby and Chrissie; both look and act like real (early) teens, smart and resourceful but not "Disneyfied", and both young actors are bright and talented. **1/2 out of 4.
    7LobotomousMonk

    Simply a Case of Tough Love...

    Great energy created through well constructed juxtaposition gets this film revved up from the get-go. A car crash is followed by children nearly fist-fighting... then cross-cutting to sharks feeding. Castle uses some good depth of field on the ship creating a sense of transportation (restlessness is a key theme in the film). The staging/blocking is sound creating a sense for the relationships of the characters and their motivation. The direction is attuned for spectator identification and Castle's spooks have heightened effectiveness as a result. The dialogue has an honesty and naturalism reminiscent of Castle's The Americano. Then the titular uncle arrives and good acting all around keeps the film engaging and entertaining. The plot contrivances have to be overlooked simply for the fact that Let's Kill Uncle is a William Castle film! This is one of his better "screwball horror" films which followed his gimmick horror films.

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    Storyline

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    Did you know

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    • Trivia
      William Castle: The man driving the car in the opening scene.
    • Quotes

      Chrissie: Barnaby, your uncle's trying to kill you, right?

      [he nods]

      Chrissie: Well, let's kill uncle first.

      Barnaby Harrison: Chrissie, that's a marvellous idea. Why didn't I think of it before?

      Chrissie: You didn't think of it. I did.

    • Connections
      Featured in Cinemacabre TV Trailers (1993)

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    FAQ13

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    Details

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    • Release date
      • March 9, 1967 (Mexico)
    • Country of origin
      • United States
    • Language
      • English
    • Also known as
      • Let's Kill Uncle
    • Filming locations
      • Universal Studios - 100 Universal City Plaza, Universal City, California, USA(Studio)
    • Production companies
      • William Castle Productions
      • Universal Pictures
    • See more company credits at IMDbPro

    Tech specs

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    • Runtime
      1 hour 32 minutes
    • Aspect ratio
      • 1.85 : 1

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    Mary Badham, Pat Cardi, Nigel Green, and Linda Lawson in L'Héritage diabolique (1966)
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