" As Marko engaged his caterpillar drive, it passed undetected by theUSS Dallas, a US attack submarine, captained by Bart Mancuso (Scott Glenn) who was tracking theRed October.] Quirrell had allowed the menacing giant Troll at Halloween to enter Hogwarts as a diversion (and shouted the warning in the dining room), while Snape had run to the 3rd floor to head off Quirrell from stealing the Stone.Pearl""s mother leaves with her lover, followed by Chavez.Passionately angered by her wanton, unfaithful actions, Scott murders both her and her gambler lover - the murder is seen in silhouette in a nearby building, while Pearl looks on in horror.quipped that they were distinguished-looking without reverting o being minorities: "Sharp as you can look without turnin"" into a nigger." While various documentary-style shots of post-war, divided, fragmented and occupied Vienna (a ""frontier"" city dividing East and West - and governed by four Allied forces) are surveyed, an anonymous voice-over (from director Carol Reed) delivers a first-person prologue in the original UK version - suggesting that he had black market connections.