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