2-3. Kind of dry; but does have some intriguing earmarks, such as the idea that the werewolf 'has' to seek out the person it loves most, as well as what appears to be above average intelligence, while wolfed out. Werewolf fans should definitely check it out.
Although it shares similarities with far superior Mamoulian's "Dr. Jekyll and Mr. Hyde", it seems pretty much routine with nothing new to offer although it was Universal's first entry into werewolf mythology. Still, it's not a boring movie with blueprints for future and better installments. Recommendation for any werewolf buff just for the sake of its cultural legacy.