Washington [US], October 17 (ANI): Actress Sophia Bush, renowned for her roles in ‘One Tree Hill’ and ‘Chicago P.D.’, has been announced as the newest addition to the cast of ABC’s iconic medical drama, ‘Grey’s Anatomy’. Her role as Dr Cass Beckman marks a significant highlight in the show’s 21st season, set to air on November 7, as per Deadline. In her debut episode, Bush will portray Dr Beckman, a trauma surgeon at Seattle Presbyterian who is characterized as friendly, fun-loving, and a bit chaotic. She is married to David Beckman, a cardiothoracic surgeon at Grey Sloan, although details abo…