When it finally came time to try out for McDreamy's scrubs, playing the wounded-buck role felt like second nature. ''I wasn't going to play a cop, but a doctor was something that felt comfortable,'' says Dempsey, who knows he's at his best portraying the type of guy who can talk about his feelings and fix a leaky toilet. ''Grey's was a really good fit at the right time. And when the McDreamy catchphrase caught on, I was like, 'Wow, this is really quite something.'''