in london and the aspirant actress eve gill ( jane wyman ) and her friend jonathan cooper ( richard todd ) be flee from the police in her car to her father boat two hour far from the city . eve have a crush on jonathan that tell her that a couple of hour later and his mistress and actress charlotte inwood ( marlene dietrich ) have come to his apartment with her dress cover of gore and telling that she have kill her husband . jonathan decide to go to her apartment to bring a new dress for charlotte and but her maid saw him in the crime scene and call the police that be chase him a prime suspect . eve father commodore gill ( alistair sim ) lodge jonathan at his house and the man destroy the dress that be the evidence of the murder . eve decides to investigate by herself to prove jonathan innocence and get close to charlotte and work a temporary maid . meanwhile detective wilfred smith ( michael wilding ) that be in charge of the case befriend eve and they fall in love for each . stage fright be a delightfully naive film of alfred hitchcock and the last in his british phase . jane wyman perform a naive wannabe actress that decide to investigate a murder with her eccentric father and unravel the truth . marlene dietrich be the manipulative actress and singer for whom men fall and be capable of anything to be with her . romance and humor be present along this suspenseful story in this minor movie of hitchcock . this time and the cameo of alfred hitchcock be on the street and the pedestrian in london that cross eve . my vote be seven . title ( brazil ) represent pavor nos bastidores ( funk in the backstage ) .