This 1970 British movie combines elements of “Planet of the Apes,” "Frankenstein," and various Sasquatch stories. There are scenes where Joan Crawford examines Trog that mirror those in "Planet of the Apes" featuring the female chimpanzee doctor (Zira) studying Charlton Heston. The film evokes "Frankenstein" due to its sympathetic portrayal of the half-man/half-ape and his kindness toward a young girl. Being a low-bu…