Mary McDonnell to Guest Star on Grey's Anatomy

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In guest star news, actress Mary McDonnell of Battlestar Galactica is said to be in talks to appear in a multi-episode story arc on Grey’s Anatomy in Season Five.

Arepresentative for the medical drama confirmed this Monday. Grey's Anatomy is currently shooting its tenth episode, and if contracts are signed soon, as is expected, we assume Mary McDonnell will be in action, shooting scenes with the cast of the show shortly.

Mary McDonnell

Given that McDonnell’s episodes fall in the middle of the Grey’s Anatomy season, it’s not known whether they will air before or after the December break.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.


Grey's Anatomy Quotes

Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."

Meredith (closing voiceover)

There's a reason I said I'd be happy alone. It wasn't 'cause I thought I'd be happy alone. It was because I thought if I loved someone and then it fell apart, I might not make it. It's easier to be alone, because what if you learn that you need love and you don't have it? What if you like it and lean on it? What if you shape your life around it and then it falls apart? Can you even survive that kind of pain? Losing love is like organ damage. It's like dying. The only difference is death ends. This? It could go on forever.