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''Shadow of a Doubt'' is a 1943 film directed by Creator/AlfredHitchcock. Joseph Cotten stars as Charlie, a murderer on the run who comes back to his hometown to hide from the police. Teresa Wright is his niece, also called Charlie, who [[CoolUncle idolizes him]]--until the agents hunting "Uncle Charlie" reveal to her who her uncle really is.

Said to be Alfred Hitchcock's favorite of his own films. Check out Creator/RogerEbert's discussion on it [[http://www.rogerebert.com/apps/pbcs.dll/article?AID=/20111109/REVIEWS08/111109966/1004 here]].
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!!This film features examples of:

* BigBadWannabe: Herbie and Joseph are always talking about how to commit an untraceable murder (which eventually disgusts Young Charlie). Luckily, Herbie shows his true good colors in the end.
* TheBluebeard: Uncle Charlie himself, first to rich old widows, then to his own family.
* BreakingTheFourthWall: Uncle Charlie turns to face the viewer at the end of his MotiveRant.
* BrokenPedestal: More like shattered into a million pieces.
* ChekhovsGun: Herbie and Joseph's love of tracing murders leads to Herbie saving Young Charlie's life when she's trapped in a "MakeItLookLikeAnAccident" murder attempt just like the ones he so fondly imagines.
** The ring Uncle Charlie gives his niece lets her trace it to the woman he stole it from, proving he's guilty.
* ChildhoodBrainDamage / SingleIssuePsychology: It's implied that a brain injury Uncle Charlie suffered when he was hit by a car as a child is what caused his "[[SerialKiller problem]]".
* CreatorCameo: Hitchcock as usual, this time on the train playing cards. He has the entire suit of spades in his hand.
* CreepyMonotone: Uncle Charlie, unless he's using his NiceGuy facade.
* DatingCatwoman: Young Charlie and Detective Jack Graham start to fall for each other, even though he's trying to arrest her uncle.
* DutchAngle: Used in a shot of Uncle Charlie after the truth is revealed.
* EvilUncle / CreepyUncle: Oh boy.
* FauxAffablyEvil: Uncle Charlie.
* HeroAntagonist: The cops who are looking for Uncle Charlie. As the truth about him starts to appear, the "antagonist" part starts to fade.
* HoistByHisOwnPetard: The story in the newspaper about the Merry Widow Killer may have gone unnoticed if Uncle Charlie hadn't tried to conceal it.
** [[spoiler:Uncle Charlie tries to throw Young Charlie into the path of an oncoming train. She overpowers him and manages to throw him out instead.]]
* HugeGuyTinyGirl: Cotten is quite a bit taller than tiny little Teresa Wright. This might make the climax less than believeable to some.
* IdiotBall / VillainBall: Young Charlie winds up giving the incriminating ring back to her uncle when confronting him with what she knows. Uncle Charlie, for his part, ''keeps it'', allowing her to retrieve it and force him to leave town.
* IncestSubtext: The relationship between the two Charlies shows shades of this, and Uncle Charlie even gives Young Charlie a wedding ring. Strangulation or asphyxiation is also a big theme and Uncle Charlie's attempts to choke his niece seem to evoke EroticAsphyxiation.
* KnightTemplar: Uncle Charlie targets old rich widows because he believes them to be like fattened cattle, wallowing in money and too disgusting to be left on Earth.
* {{Leitmotif}}: The "Merry Widow" waltz.
* MakeItLookLikeAnAccident
* MoralityPet: Notably averted. While Young Charlie desperately wants Uncle Charlie to be good, and he doesn't want to hurt her unless he has to, he's by no means willing to stop his evil ways and decides to kill her rather than risk her betraying him.
* MotiveRant: Uncle Charlie gets a little carried away at a family dinner:
-->'"The cities are full of women, middle-aged widows, husbands dead, husbands who've spent their lives making fortunes, working and working. And then they die and leave their money to their wives, their silly wives. And what do the wives do, these useless women? You see them in the hotels, the best hotels, every day by the thousands. Drinking the money, eating the money, losing the money at bridge. Playing all day and all night. Smelling of money. Proud of their jewelry but of nothing else. Horrible, faded, fat, greedy women... Are they human or are they fat, wheezing animals, hmm? And what happens to animals when they get too fat and too old?"
* OhCrap: Uncle Charlie when Young Charlie reveals to him that she's found an incriminating ring.
* OneSteveLimit: Averted to great effect with Uncle Charlie and his niece Young Charlie, although their real names are Charles and Charlotte, respectively.
* PoliceAreUseless: Two cops chasing Uncle Charlie, one of which falls in love with Young Charlie, but they don't arrest him or even stick around, thus leaving Young Charlie to deal with her uncle by herself.
** They also completely ignore Uncle Charlie at the beginning when he escapes them, demonstrating they don't know what the murderer looks like, but then why wouldn't they stop any person they spot leaving the hotel?
*** [[spoiler: They're ultimately satisfied that the other guy they've been chasing is the strangler and Uncle Charlie never pays for his crimes, at least, he's never brought to justice.]]
* PsychicLink: A very subtle example. Uncle Charlie has gotten off the train. Young Charlie is there to greet him--but she senses something is ''wrong'' about him, although she can't say what.
** Both Charlies are introduced lying on a bed, staring pensively at the ceiling. Young Charlie gets the idea to telegram her uncle at the same time he is sending his telegram. Later, Young Charlie says she feels they are twins, and that she knows he has a secret.
-->'''Young Charlie:''' Mrs. Henderson, do you believe in telepathy?
-->'''Telegram Operator:''' Well, I ought to. That's my business.
* RuleOfThree: Uncle Charlie tries three times to kill his niece. The first time he breaks the steps of the outside stairs, trying to get her to step through one and break her neck. The second time he leaves her locked in the garage with a running car while the room fills up with smoke. The third time he tries to throw her off a train.
* SerialKiller
* TheSociopath: Uncle Charlie is one of the earliest depicted in Hollywood cinema.
* ThoseTwoGuys: Charlie's father Joseph and his best friend Herbie, who are always chatting about how to commit the perfect murder.
* UnclePennybags: Uncle Charlie ''wants'' to appear this way, and is certainly very good at projecting this to both his family and potential victims. However throughout the movie he shows signs of arrogance and condescension with his money; notably the scene at the bank Joseph works at, where he basically treats the act of setting up a multi-thousand dollar account (think millions today) like he were buying a prepaid movie-rental card.
* UnintentionalPeriodPiece: Pa Newton says he's never worn a wristwatch before and thinks it will make him look fancy.
* VillainOpeningScene
* VillainWithGoodPublicity: Everybody adores Uncle Charlie.
* WhatCouldHaveBeen: MGM refused to loan WilliamPowell to play Uncle Charlie. Creator/OliviaDeHavilland wanted to play Young Charlie but couldn't get out of other commitments.
* WorldOfCardboardSpeech: This [[http://www.youtube.com/watch?v=dX6s3LTds3s doozy]] from Uncle Charlie to his niece:
--> "You think you know something, don't you? You think you're the clever little girl who knows something. There's so much you don't know, so much. What do you know, really? You're just an ordinary little girl, living in an ordinary little town. You wake up every morning of your life and you know perfectly well that there's nothing in the world to trouble you. You go through your ordinary little day, and at night you sleep your untroubled ordinary little sleep, filled with peaceful stupid dreams. And I brought you nightmares. Or did I? Or was it a silly, inexpert little lie? You live in a dream. You're a sleepwalker, blind. How do you know what the world is like? Do you know the world is a foul sty? Do you know, if you rip off the fronts of houses, you'd find swine? The world's a hell. What does it matter what happens in it? Wake up, Charlie. Use your wits. Learn something."
* WronglyAccused: You might think that, just like other Hitchcock films, that this trope is again the case. [[WrongGenreSavvy You'd be wrong]].