sound test for blackmail

like all movies,a test is filmed of a performer considered for a starring role. alfred hitchcock had to do this for anny ondra,a german actress who was cast in his first talkie- blackmail. here we see hitchcock,about 30 years old,with a head of wavy hair,test ms. oondra's recording voice by asking her naughty,embarrassing questions. you can either say; "ewww! the pig!" or...