The actors join the Jeff Feuerzeig-directed boxing drama.
Ben Affleck and Matt Damon would reunite for the film about former Yankee pitchers who traded their wives and families in the 1970s.
The actress will portray Helen Gandy, the longtime personal secretary to FBI director J. Edgar Hoover, played by Leonardo DiCaprio.
Other actresses such as Anne Hathaway, Keira Knightley and Jessica Biel will test for unnamed roles in Christopher Nolan's sequel.
Naomi Watts, Blake Lively, Anne Hathaway and Keira Knightley are also said to be meeting with director Christopher Nolan for this upcoming sequel.
Take a look at a new promo on display at the Cannes Film Festival.
They will star in Will Graham's segment titled Homeschooled.