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In page North by Northwest:

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The film opened on July 1, 1959 at the United Artists Theatre in Chicago[1] grossing $46,000 in its first week and $35,000 the second week.[2] It had a two-week run at Radio City Music Hall and the film had a successful gross of $404,056 for that period.[3] One trailer for North by Northwest features Hitchcock presenting himself as the owner of Alfred Hitchcock Travel Agency and telling the viewer he has made a motion picture to advertise these wonderful vacation stops.[4]