The ensemble cast also includes Evan Handler from "Sex and the City," "The Daily Show's" Nathan Corddry, Michael Stuhlbarg of "The Pillowman" and Carlos Jacott of "Fun with Dick and Jane."
"The problem with getting actors of this caliber is that if the show doesn't work, Tommy and I can be pretty sure it was our fault," Sorkin said.
The action takes place behind the scenes of a late-night sketch comedy show.
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