i did really well untilpart in e surgery or eye started feeling the darkness was coming in -- where irted feeling the darkness was coming in. i said, i have to lean against the wall. i stepped back and leaned against the wall and a sort of felt myself coming to. tavis: somebody must really like you in this town. "grey's anatomy" is obviously a huge hit. you came from a huge hit called "24." >> thank you. tavis: it is cool. >> it is very cool. i think people have said in the past, but you never quite believe it, but i have also been able to work with just fine, fine actors and writers, stepping into the2 world the 24"was kiefer sutherland -- stepping into the world of "24" was kiefer sutherland. what is great about "grey's anatomy," there are so many cast members, every day is an opportunity to work with different types of actors, the different ways that different actors work. i feel what it would be like in the old times when there was big theaters and you would stay with the same group and do different plays. tavis: this does not happen often on the show, but every now and then we ha