U.S. actor Matt Damon waves to fans at a red-carpet event to promote the film "The Bourne Ultimatum" in Tokyo October 18, 2007. [Agencies]

Matt Damon is set to star in the fourth instalment of the Bourne series.

Damon had earlier indicated that 2007's 'Bourne Ultimatum' would be his last. But after the movie won three Oscars, execs announced that Damon would return as Bourne, reports contactmusic.com.

It won for Best Sound Editing, Best Film Editing and Best Sound Mixing.

British director Paul Greengrass who directed two of the sequels is set to direct the fourth one.