Roger Reeves

Roger Reeves is an actor on the fictional show Cult in Cult. His character on the show is called Billy Grimm. In the parallel worlds of this show-within-a-show, Billy Grimm is a compelling but ruthless cult leader in a fictional television series.

"Roger Reeves portrays charismatic cult leader Billy Grimm on the show-within-a-show. Billy is a charismatic madman who commands his own cult of followers willing to do anything Billy asks of them — including kidnapping and murder. Meanwhile off-screen Roger is an affable, working actor." (Deadline)