Amelia Tells Betty's Mom (Jennifer Grey) She's an Addict, Too
Jennifer Grey makes her debut on Grey's Anatomy as Carol Dickinson, Betty's mother. Carol opens up to Amelia (Caterina Scorsone) about Betty's addiction, and Amelia confides in her, as well. From Grey's Anatomy Season 15, Episode 13 'I Walk the Line.' Watch full episodes on ABC.com and in the ABC app.

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