White Fang (Italian: Zanna Bianca) is a 1973 Italian adventure film directed by Lucio Fulci. It was produced by Harry Alan Towers and co-written by Roberto Gianviti, based on Jack London's 1906 novel White Fang. It starred Franco Nero, Fernando Rey and Virna Lisi. The film gained a great commercial success and generated an official and several non-official sequels.
(Summary from Wikipedia)