Mary Lynn Rajskub And Patrick Fischler To Grey's Anatomy image

(Nikki Nelson/, Apega/

Guest couple!

Actress Mary Lynn Rajskub (ex-Chloe, "24," "How To Be A Gentleman"), and actor Patrick Fischler (ex-Dharma, "Lost," "Mad Men," "Californication") will guest star on the Thursday May 10 episode of "Grey's Anatomy." TV Line reports that they will play a couple that shows up at Seattle Grace Hospital in the middle of their third honeymoon suffering mysterious symptoms.

Are you excited about these celebrity guest stars? Let know by voting below.

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