Dr Simon Helder, sentenced to an insane asylum for crimes against humanity, recognises its director as the brilliant Baron Frankenstein, the man whose work he had been trying to emulate before his imprisonment. Frankenstein utilises Helder's medical knowledge for a … Peter Cushing, Shane Briant, Madeline Smith, David Prowse, John Stratton, Michael Ward, Norman Mitchell Added on Amazon Prime 2023-03-29. Youtube Trailer