Idris Elba was in talks to play a Merlin-esque figure who trains and mentors Arthur, when Elba did not sign on to the film, the director continued to look for an actor to play the role.
Idris Elba was in talks. This was to play a Merlin-esque figure who trains. Mentors Arthur continued to look for an actor to play the role. Mentors Arthur was the director. Elba did not sign on to the film.