Sophia Bush Joins 'Grey's Anatomy' as Trauma Surgeon for Season 21

The actress will debut as Dr. Cass Beckman in the November 7 episode of the long-running medical drama.

Sophia Bush will portray Dr. Cass Beckman, a trauma surgeon at Seattle Presbyterian Hospital.
Her character is described as amiable, fun, and a little messy around the edges, with a husband working at Grey Sloan Memorial Hospital.
Bush's role on 'Grey's Anatomy' marks her return to medical dramas after starring in CBS's 'Good Sam.'
The new season of 'Grey's Anatomy' continues to explore complex personal and professional challenges for its characters.
Sophia Bush is also developing a 'One Tree Hill' sequel series for Netflix, reprising her role as Brooke Davis.