Question: Who directed the 1968 thriller film that featured the actor of the "Harry Potter" films' Rubeus Hagrid in a supporting role?
Sentence (from "Defence of the Realm"): Defence of the Realm is a 1986 British political thriller film directed by David Drury, starring Gabriel Byrne, Greta Scacchi, and Denholm Elliott, with Robbie Coltrane in a supporting role.
Relevant evidence: Yes