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->''"Ma, I've got it! I've got the idea, the angle, the lead! I'll be Jewish! Why, all I've got to do is just say it. No one around here knows me. I can live with myself for six weeks, eight weeks, nine months. Ma, this is it!"''
-->--'''Phil Green'''

Based on a novel by Laura Z. Hobson, ''Gentleman's Agreement'' is a 1947 film directed by Creator/EliaKazan and starring Creator/GregoryPeck and Dorothy [=McGuire=].

Peck plays a journalist -- Phil "Schulyer" Green -- who, having been widowed for some years, moves to New York City with his son and mother in pursuit of a new job, where he is assigned a piece on anti-Semitism. He struggles for a while to find a convincing and engaging angle from which he can write the story, and finally settles on [[BlackLikeMe pretending to be Jewish]] so he can experience prejudice first-hand. [=McGuire=] plays Kathy Lacey, his fiancee, who dislikes the difficulty this act brings, and who lacks the courage to stand up and actually confront prejudiced people. Other characters include Anne Dettrey (Celeste Holm), the fashion editor at Phil's magazine who quickly befriends him; John Minify (Albert Dekker), the editor who suggests the piece; and Dave Goldman (John Garfield), a Jewish friend of Phil's who expresses misgivings about the ruse. The title comes from the "gentleman's agreement" between the residents of a particular community not to sell or rent property to Jews.

Nominated for eight UsefulNotes/{{Academy Award}}s, winning for Best Picture, Director (Kazan), and Supporting Actress (Holm). Something of a DuelingMovies example along with ''Film/{{Crossfire}}'', another 1947 release that dealt with anti-Semitism as a theme.

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!!This film contains examples of:
* AccompliceByInaction: Phil eventually discovers that one of the biggest culprits of anti-Semitism aren't the ones who directly hit or insult Jews themselves, but the ones who smile and play nice and pretend not to see it. Like Kathy.
* AdultFear: After Phil tells the world he's Jewish, his son is eventually bullied by other kids.
* AmbiguouslyJewish: How Phil figures he can pass as Jewish: he has dark hair, dark eyes, and a somewhat ambiguous name. He figures he doesn't need to have any "mannerisms" since his Jewish friend Dave doesn't have any either.
* ArmorPiercingQuestion: When Kathy tries to assure Dave that she's not anti-Semetic because she felt so physically ill when a guest at her sister's party tried to get a laugh by using hateful slurs that she ''wanted'' to do something about it, Dave cuts through her protests by gently asking, "What did you do?"
* [[BlackLikeMe Jewish Like Me]]: The whole premise, and a fair bit older than the TropeNamer. Phil doesn't disguise himself or act differently in any way (which is part of the point, really) -- all he does is say he's Jewish -- and people treat him very differently.
* ChildrenAreInnocent: Phil has a hard time explaining anti-Semitism to his son, because his kid can't understand the concept of disliking anyone without a good reason. His mother agrees that hate and prejudice are learned attitudes, not inborn, since "children are decent to begin with."
* {{Expy}}: Phil meets a scientist who looks vaguely like Albert Einstein and delivers a speech about how he's not a Jew that borrows Richard Feynman's reasoning for why he isn't a Jew (he's not religiously Jewish and is not racially Jewish because there's no such thing as a Jewish race).
* FairWeatherFriend: Kathy, who's fine with helping Phil, Dave, and Anne (all Jews as [[BlackLikeMe far as the world knows]]) fight anti-Semitism until it negatively affects her own high society social life. Then she'll gladly drop them by the wayside to enjoy her parties and clubs and social circles.
* FamilyUnfriendlyAesop: In-universe. After Phil's son is bullied for being Jewish, Kathy tries to reassure him it's okay because he's not ''really'' Jewish. Needless to say, [[TranquilFury Phil is not happy about this]], and sends her out so he can teach his son about empathy and acceptance.
* FirstGirlWins: Phil ultimately decides to stay with Kathy, despite developing a close friendship with Anne, who has feelings for him.
* FourthDateMarriage: Phil and his fiance, Kathy Lacey. They go out only a handful of times before deciding to get married.
* {{Hypocrite}}: Kathy, who claims to hate anti-Semitism but won't inconvenience herself by fighting it. She's even called a hypocrite by Anne. Leading to...
* HeelRealization: Kathy eventually realizes her compliance with anti-Semitism by refusing to speak up to those guilty of it.
* InformedJudaism: No part of Phil's act involves, say, attending a synagogue, or anything other than just saying he's Jewish. People promptly hate on him.
* LoveTriangle: Phil and Kathy are engaged, and Anne has feelings for Phil.
* MalignedMixedMarriage: The reason Kathy tries to tell everyone they know that Phil isn't ''really'' Jewish--she wants to avoid any difficulties associated with being part of such a union.
* NWordPrivileges: After his secretary (see Stop Being Sterotypical below) uses a Jewish slur, Phil points out he does not think it's appropriate to use degrading words, specifically saying "nigger" as one of the words it's not right to use as degrading to people of whatever group someone doesn't like.
* SomeOfMyBestFriendsAreX: When one of Phil's coworkers tries this after assuming Phil would've been in P.R. during [[UsefulNotes/WorldWarII the war]] as opposed to having been a G.I., Anne has a succinct reply:
-->'''Anne Dettrey''': I know dear, and some of your other best friends are Methodist, but you never bother to say it.
* StopBeingStereotypical: Phil's secretary, Elaine Wales/Estelle Wilovsky. She's unhappy that she couldn't get a job under her real name, but when Phil arranges for the magazine to have fairer hiring practices, she's immediately concerned that more "kikey" Jews will ruin the job for the "good ones," like Phil and herself. Phil does not take kindly to this.
* WhoNamesTheirKidDude: Minify's opinion of Phil's pen name. He claims he wouldn't give it to a dog.
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