The film is now shooting in Praia da Bordeira in Portugal, and will move to Andalucia on Aug 10 and wrap on Aug 31.
The Portuguese government and Andalucian Film Commission have helped with location scouting and filming permits.
Harrison has previously worked in documentaries, music videos and shorts.
Alan Bleasedales is producing.
The film-makers are working on a micro budget of £30,000 with crew working for expenses/defrerred payments.
Israeli model and actress Chen Shiloni stars. Harrison describes the story as a black comedy about a beautiful golddigger with a penchant for violence.
John Hackney will edit the film and Guy Dagul is on board for music.