Christina Ricci has previously collaborated with The Matrix 4 director Lana Wachowski on 2008 movie Speed Racer. Actor Christina Ricci is the latest addition to the star-studded cast of the much-anticipated fourth instalment in the Matrix franchise. Warner Bros, the studio behind the Keanu Reeves-led sci-fi movie series, shared Ricci’s casting in a press kit issued to Variety. The Matrix …