T.R. Knight, who plays Dr. George O'Malley.
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The Grey's Anatomy star talked with the famous talk show host in January 2007.
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T.R. Knight, Isaiah Washington, Kate Walsh and Katherine Heigl have some fun after the Emmy Awards.
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T.R. Knight, from his recent Sesame Street appearance.
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T.R. Knight has his "I" on the case as a private detective on Sesame Street.
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The letter I, that is.
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The cast of Grey's Anatomy, circa Season Two.
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The cast of Grey's Anatomy, decked out in black.
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Grey's Anatomy Quotes

We're all going to die. We don't get much say over how or when, but we do get to decide how we're gonna live. So, do it. Decide. Is this the life you want to live? Is this the person you want to love? Is this the best you can be? Can you be stronger? Kinder? More Compassionate? Decide. Breathe in. Breathe out and decide.

Richard

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)