Julia Stiles has finalized a deal to reprise her role as Nicky Parsons from the first three Bourne movies in Universal's Untitled Matt Damon Bourne Sequel, reuniting her with franchise star Matt Damon, confirms Deadline. Nicky Parsons was a Treadstone employee who helped track down Matt Damon's Jason Bourne in The Bourne Identity, but she became an ally to him in The Bourne Supremacy and The Bourne Ultimatum, hinting in the final movie that Jason and Nicky may have had a romantic relationship before his amnesia. Aside from Matt Damon, Julia Stiles is the only actor to appear in the first three movies.

We reported last month that Ex Machina star Alicia Vikander is being sought for a major role, but Matt Damon and Julia Stiles are the only two confirmed cast members on board so far. No plot details have been released, but Paul Greengrass is directing and co-writing the script with Christopher Rouse. Frank Marshall and Jeffrey M. Weiner are producing, with Universal already setting a July 29, 2016 release date.

In related news, producer Frank Marshall revealed that pre-production is currently under way, and that everything is going well and that it's a dream to be working with Matt Damon and Paul Greengrass again.

"Well, it's very exciting obviously. Working with Paul again and Matt and getting the team back together is kind of a dream. We're in pre-production, the script's there, we're going to start casting soon, we're looking at locations, it's all going very well."

The producer also talked about how The Bourne Supremacy and The Bourne Ultimatum were both rushed to complete them in time, and how he doesn't want to repeat that experience in this new project.

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"Yes, I would like to avoid that experience. That was actually number two and number three, so that's why we have spent a long time on the script development and pre-production and that's all going very well and we're not gonna have a race to the finish line. It's going to hopefully be a slow walk this time."

In another interview, Frank Marshall reiterated his previous statements about this project and the Untitled Jeremy Renner Bourne Sequel, stating, "they're still two different projects, two different films." There was talk that Jeremy Renner's Aaron Cross could meet up with Matt Damon's Jason Bourne, but it doesn't seem like that is happening. What do you think about these new details?