Henry Frankenstein, Ernst Thesiger as crazed Dr.Pretorius, Karloff again as the Monster, Dwight Frye as Pretorius"" assistant Karl, and Elsa Lanchester as he Monster""s ""Bride""Son of Frankenstein (1939), a second sequel starring Basil Rathbone as Dr.He excused his earlier flight, explaining that he left because he didn""t want o cause Catherine to become disinherited.Ron and Hermione went off to find a basilisk fang, while Harry rushed on to the Ravenclaw common room to start his search.[Note: The costumes were a combination of elements from Hell""s Angels bikers, S&M bondage, and Nazi Stormtroopers.The leader of the society (the "savior" referred to in the prologue), Caesar (Roddy McDowall), was attempting to generate peace and equality between the simians and the remnants of human society, living together in this pastoral setting.