Bryan Singer has added yet another member to the ever-expanding cast of X-Men: Days of Future Past.  The director tweeted earlier today that Omar Sy, the 35-year-old French star of The Intouchables, has officially signed on to the film, joining Peter Dinklage, Ian McKellan, Patrick Stewart, and Hugh Jackman, as well as returning X-Men: First Class stars Michael Fassbender, James McAvoy, and Jennifer Lawrence.  Hit the jump for more on who Sy might play.

It’s been a busy week for the director, whose long-delayed film Jack the Giant Slayer (read our review) finally hit theaters this weekend.  But he still found the time to keep us up to speed on the progress of his next project.  After landing Dinklage two weeks ago, Singer has now hired Sy to play an unknown character.  The French actor is largely known to English-speaking audiences for his role in The Intouchables, a nominee for Best Foreign Language Film at this year’s Golden Globes.  Speculation on Twitter suggests that the actor might play Bishop, the son of Aborigine mutant refugees notable for the distinctive M brand above his eye.  Bishop made his debut in Uncanny X-Men, the same comic the “Days of Future Past” storyline comes from, and is ultimately taken under the tutelage of Storm (played by Halle Berry in the films).  Since Berry recently suggested she’d be returning for Days of Future Past, it seems like the Bishop guess could be a good one.

In addition to Stewart, McKellan, and Jackman, we’ve also got Anna Paquin, Ellen Page, and Shawn Ashmore returning from the original cast.  Much as I love the casting thus far for the film (particularly Dinklage), I have to wonder if the movie will feel a little bloated.  There are a lot of big names in there and I’m worried some of them will get lost in the shuffle, especially since it seems as though we’re adding a new cast member every other day.  On the other hand, maybe Days of Future Past will just displace The Avengers as the most epic gathering of superheroes of all time.

Who do you think Sy will play?