First Look at Matt Damon in 'Bourne 5'

In case there were any lingering doubts, Frank Marshall has photographic proof that Jason Bourne is back in action.

The producer marked the completion of the first day of principal photography with an image of a shirtless, toned Matt Damon on the set of Universal's fifth Bourne film.

Directed by Paul Greengrass from a script he wrote with Christopher Rouse, the untitled action thriller marks Damon's fourth turn as the CIA assassin. “Without giving too much of it away, it’s Bourne through an austerity-riddled Europe and in a post-Snowden world,” the actor recently teased.

Damon is joined in "Bourne 5" by Julia Stiles, Alicia Vikander and Tommy Lee Jones. The film opens July 29, 2016.

First day of principal photography complete and happy to report, BOURNE is back! #Bourne2016 pic.twitter.com/ncIILnGKWr

— Frank Marshall (@LeDoctor) September 8, 2015

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