VERTIGO. Vertigo: the sensation of dizziness brought on by extreme acrophobiaSetting: San Francisco--a city known for its heightsNote: as in REAR WINDOW, the main character has a physical disability as the film opens. 1958. . . CHARACTERS IN THE FILM . John (Scotty Ferguson)Midge--his best friend (old girlfriendGavin Elster--college friendMadeline Elster--his wife.