Question: Do both directors of films Butcher, Baker, Nightmare Maker and The Beast in the Cellar share the same nationality?
Sentence (from "Butcher, Baker, Nightmare Maker"): Butcher, Baker, Nightmare Maker, later released as Night Warning, is a 1981 American exploitation horror film directed by William Asher, and starring Susan Tyrrell, Jimmy McNichol, Julia Duffy, and Bo Svenson.
Relevant evidence: Yes