"Taken" actress Maggie Grace has left "Code Black" just weeks after joining the CBS medical pilot due to what TVLine characterizes as "creative reasons." Her starring role will be recast.Written by Michael Seitzman (“Empire State”) and directed by David Semel, the project is based on Ryan McGarry’s 2014 documentary of the same name, which views the problems of America’s healthcare system through the perspective of emergency room staffs.The drama will center on four residents getting their first taste of ER medicine, and the medical staff that mentors them. Grace was to play Leanne, the residency director who’s described as “a force of nature.Marcia Gay Harden and Melanie Kannakoda remain part of the cast.