Dermot Mulroney Reunites with A-Lister Julia Roberts in "August: Osage County"

Mulroney talks reunion with "My Best Friend's Wedding" costar, working with Meryl Streep.
3:00 | 12/13/13

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Transcript for Dermot Mulroney Reunites with A-Lister Julia Roberts in "August: Osage County"
CC1 Test message Dear, lord, we ask that you bless this good woman. And -- ♪ there he is. Dermot mulroney in "august: Osage county." He's the outsider in that dysfunctional family. They don't like him one bit. We love to have him back. Dermot, thank you for coming back in. You have the most fun role in this film. You're a scoundrel, a little shady. But you're like, I'm the normal one. Each of the characters sort of take a turn. Some of them, to the dark side, as you see with the part of steve, that I play. But it was so amazing for me to join this cast, knowing that that was already kind of a famous part from the play that did so well in chicago. And then, on broadway. What an amazing cast. You see meryl streep, julian nicholson, sam shepard. And you get back with julia, julia roberts. We have remained friends since we did a little movie. And I knew she was cast. So, that motivated me even further to try to get this part. She's going to be on monday. And I was teasing her. Is it true that she really would not recommend you for the role? No. Not so much that. You know, we had an exchange of messages where I knew she was cast. I had already auditioned. And this time, I'm going to see if I can call in a favor from a friend. I said, maybe you can put in a good word in for me. And she said, no, I can't. I respect her for her honesty and integrity for a friend. But the way that movie was being cast, she wasn't going to have a say. You went in on your own. I did. And it was a tough part to get. I was happy when that happened. I love the way you did it. You guys went out, and bunked together, like the old days. Like movies are supposed to be made. Back in the day, even a small movie would do it this way. But this production made sure that we were shooting it where it took place. We lived all in the same cul-de-sac with these townhouses. So, we were neighbors. We dined together. Rehearsed together, ran lines. And then, shot it in the actual place. It felt so authentic, to an actor. They were giving us all of the tools we needed to do the best job we could do. It is a great movie. Congratulations. Thanks.

This transcript has been automatically generated and may not be 100% accurate.

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