Sound Test for Blackmail [319841] Released: 1929-01-01 Revenue: $0 Budget: $0 Profit: $0 Runtime: 1 mins Popularity: 0.3985 Vote Average: 6.2 Vote Count: 17 Overview: The short sequence, photographed by Jack E Cox, has Hitchcock trying his best to embarrass the film's Czech lead Anny Ondra, who ends up giggling and turning her back to the camera... Cast [2] Alfred HitchcockSelf Anny OndraSelf Trailers Blackmail Test Take (1929) - Alfred Hitchcock | BFI