because he could no longer trust what his bosses him were telling him about his character.
In an interview with Entertainment Weekly, Knight says a "breakdown of communication" between him and series creator Shonda Rhimes eventually became so bad that he stopped asking her about his character, George O'Malley. "My five-year experience proved to me that I could not trust any answer that was given [about George]," he says. "And with respect, I'm going to leave it at that."
George had gone through a roller-coaster character arc in the fourth season of "Grey's," cheating on his wife, Callie (Sara Ramirez), with his best friend, Izzie (Katherine Heigl), while suffering the ignominy of having to repeat the intern program at Seattle Grace. Knight's character was then marginalized for a good portion of season five — so much so that Knight says he figured George had "expired."
That, in fact, is what happened in May's season finale, when an anonymous patient who was gravely injured while trying to save a woman from being hit by a bus turns out to be George. That all happened after Knight asked to leave, and he tells EW now that even though his friend Heigl tried to talk him out of it, he's come to terms with leaving "Grey's."
"From an outsider's perspective, I get the [impression that] 'He's just a spoiled actor… he doesn't know how good he has it,'" Knight says. "There are a lot of people who would like to be in my position. But in the end, I need to be fulfilled in my work."
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