John Slattery didn’t reveal any juicy details about the current season of “Mad Men” during his “Late Night” (Weeknights, 12:37 a.m .ET on NBC) visit, but he did talk a little bit about his experiences behind the camera. Slattery has directed several episodes of “Mad Men.”

When he’s in the director’s chair, he laughed that Jon Hamm gets a little “ornery” if you ask him to do a take too many times. According to Slattery, Hamm will say, “Come on, we did it already. Letâ??s go!”

Tina Fey was still hanging around, and shared in a good laugh about the image. “Donâ??t make me do too many takes of having sex with these beautiful women,” she imagined Hamm saying, as if this would be such a frustrating aspect of his job.

John Slattery can be seen on “Mad Men,” Sundays at 10 p.m. ET on AMC, while Tina Fey’s “30 Rock” airs at 8:30 p.m. ET on NBC Thursdays. “Late Night” is on weeknights at 12:37 a.m. ET on NBC.

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