Michaela Zee Bleecker Street has acquired the U.S. rights to the psychological sci-fi thriller “Slingshot,” starring Casey Affleck, Laurence Fishburne and Emily Beecham. Directed by Mikael Håfström (“Evil,” “1408”), “Slingshot” follows an astronaut who struggles to maintain his grip on reality aboard a possibly fatally compromised mission to Saturn’s moon, Titan.