This violent exploitation film begins when Geoff Farrell (Kerwin Mathews) avenges the rape of his daughter. Critic Reviews for Maniac. An experimental drug promises to rewire their troubled minds -- no side effects, no complications. Find trailers, reviews, synopsis, awards and cast information for Maniac (1963) - Michael Carreras on AllMovie - An American artist travels to rural France for a… Add Article. Maniac (1963) cast and crew credits, including actors, actresses, directors, writers and more. But things don't go as planned. Maniac Critics Consensus. Watch trailers & learn more. ... Maniac 1963.