Head On is a 1998 Australian LGBT-related drama film directed by Ana Kokkinos, who wrote the screenplay with Andrew Bovell and Mira Robertson. The film is based on the 1995 novel Loaded by Christos Tsiolkas. The film stars Alex Dimitriades, Paul Capsis, Julian Garner and Tony Nikolakopoulos. The film tells the story of Ari, a dissolute 19-year-old gay Greek-Australian drug addict living in St Kilda, Victoria. The film gained notoriety upon its release for its sexual explicitness, including a graphic masturbation scene performed by Dimitriades and numerous sex scenes. The film received mixed reviews from critics, with positive reviewers praising its stark realism, the lead performance by Dimitriades and the uncompromising subject matter.