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Bush will play the recurring role of Dr. Cass Beckman, a trauma surgeon at Seattle Presbyterian whose husband is David Beckman, a cardiothoracic surgeon at Grey Sloan Memorial.

According to information about her character, Beckman is described as \"amiable, fun and a little messy around the edges.\"

Season 21, which kicked off last month on ABC, picked up in the aftermath of the season 20 finale, which saw Meredith (Ellen Pompeo) at odds with Catherine Fox (Debbie Allen).

Bush will make her \"Grey's Anatomy\" debut on the show in the episode airing on Nov. 7.

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