Hollywood studios and film producers are set to face increasing scrutiny from anti-fraud officials, as a result of a trial involving incidents in Bangkok that could have repercussions across the entertainment sector.

Gerald Green, an American film producer, and his wife, Patricia, are alleged to have ­violated the US Foreign Corrupt Practices Act by paying bribes to a Thai tourism official. It is claimed that the alleged bribes were offered to obtain contracts to run an international film festival in Bangkok.