‘Grey’s Anatomy’ on ABC: Grey’s Anatomy episodes, guest stars, plot twists

Greys Anatomy

Cosby Star Jasmine Guy, 57, Has “Untimely Reunion” on TV

Who Is Amelia’s Mother Carolyn Shepherd on ‘Grey’s Anatomy’?

Tyne Daly on Grey's Anatomy ABC

Who Is Nancy Shepherd, Amelia’s Irritating Sister on ‘Grey’s Anatomy’?

Grey's Anatomy

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Who Is Amelia’s Sister Dr. Kathleen Shepherd on ‘Grey’s Anatomy’?

Amy Acker Grey's Anatomy

Who Is Jo’s Birth Mother on Grey’s Anatomy’s ‘Silent All These Years’?

Michelle Forbes

Who Is Scottish Bagpipe Band Leader on ‘Grey’s Anatomy’?

Billy Boyd

Who Is Betty’s Mother Carol Dickinson on ‘Grey’s Anatomy’?

Peyton Kennedy

Who Is Betty’s Father on ‘Grey’s Anatomy’?

Kyle Secor Grey's Anatomy

Who Is Plays Meredith’s Father Thatcher on ‘Grey’s Anatomy’?

Jeff Perry

What Happened To Meredith’s Father Thatcher on ‘Grey’s Anatomy’?