Variety is reporting that Jake Gyllenhaal, Tobey Maguire, Garrett Hedlund, Taylor Kitsch, and Kellan Lutz met with the writer-director.
Univeral and Tony Gilroy are looking at actors in their mid-20s to early 30s.
Tony Gilroy wants to screen-test all candidates, which may be a stumbling block for some established thespians.
Production on The Bourne Legacy was to begin in the spring, assuming they find their leading man.
The focus on a new character will allow some flexibility for the possibility of Matt Damon returning in some fashion.
The Bourne Legacy was released August 10th, 2012 and stars Jeremy Renner, Scott Glenn, Stacy Keach, Edward Norton, Donna Murphy, Michael Chernus, Corey Stoll, Alice Gainer. The film is directed by Tony Gilroy.