Cuba Gooding Jr. O.J. Simpson Actor Sarah Paulson Marcia Clark Actor David Schwimmer Robert Kardashian Actor John Travolta Robert Shapiro Actor Courtney B. Vance Johnnie Cochran Actor Sterling K. Brown Christopher Darden Actor Kenneth Choi Judge Lance Ito Actor Bruce Greenwood Gil Garcetti Actor Nathan Lane F. Lee Bailey Actor Christian Clemenson Bill Hodgman Actor Ryan Murphy Executive Producer Nina Jacobson Executive Producer Brad Simpson Executive Producer Scott Alexander Executive Producer Larry Karaszewski Executive Producer Brad Falchuk Executive Producer Joe Robert Cole Writer