What actor who was in "The Evil" also played the musician Edwin Flagg in "What Ever Happened to Baby Jane?"
The Evil (1978 film): The Evil is a 1978 American horror film directed by Gus Trikonis and starring Richard Crenna, Joanna Pettet, Andrew Prine and Victor Buono. Victor Buono:  He was most famous for playing the villain King Tut on the television series "Batman" (1966-1968) and musician Edwin Flagg in "What Ever Happened to Baby Jane?
Victor Buono