BEGIN SLIDESHOW Mélanie Laurent & Payman Maadi join cast of Michael Bay’s 6 Underground According to Deadline, French actress Mélanie Lauren (Inglourious Basterds) and director-screenwriter Payman Maadi (13 Hours: The Secret Soldiers of Benghazi, A Separation) have officially signed on to join the ensemble cast of Michael Bay‘s upcoming big-budget action film 6 Underground. 6 Underground is based on an original idea from writers and executive producers Rhett Reese (G.I.