Emma Stone, Andy Samberg to Guest Star on 30 Rock

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When 30 Rock returns for its sixth season Thursday, they'll have quite the roster of guest stars to help bring the laughs.

EW.com reports that Emma Stone, Andy Samberg and Nick Cannon are expected to take part in the January 26 episode of NBC's hit, appearing in a spoof on ensemble comedy flicks.

In the episode, Jane Krakowski's Jenna takes on a role in "a movie from the producers of Valentine's Day and New Year's Eve called Martin Luther King Day," series star and co-creator Tina Fey tells EW.

"I want to lay claim to that bit before anyone gets it. It's a movie that has everyone in the world in it," Fey says.

Stone, Samberg and Cannon will be seen in a trailer aired during 30 Rock to help promote the parody flick.

Later in the season, James Marsden, Will Arnett, Denise Richards and Kelsey Grammer will also appear.