Here's the cast:
Directed by: Paul Dinello
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Produced by: Roberts/David Films Inc.
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Cast
Amy Sedaris ... Geraldine 'Jerri' Antonia Blank
Paul Dinello ... Geoffrey Jellineck, Art teacher
Stephen Colbert ... Charles 'Chuck' Noblet, Science teacher
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Carlo Alban ... Megawatti Sukharnabhoutri
Jonah Bobo ... Shamus Noblet
Matthew Broderick ... Roger Beekman, Science Teacher
Joseph Cross ... Derrick Blank
Dolores Duffy ... Iris Puffybush
Alexis Dziena ... Melissa
Billy Erb ... Mr. Herb
Thomas Guiry ... P.John
Elisabeth Harnois ... Monica
Dan Hedaya ... Guy Blank
Philip Seymour Hoffman ... Board of Education
Gregory Hollimon ... Onyx Blackman, Principal of Flatpoint High School
Sir Ian Holm ... Dr. Putney
Kristen Johnston ... Coach Muffy Divers
Tony Lagarto ... Buster Highman, Metal Shop Teacher (in the Teachers Lounge; uncredited; character name is my own invention)
Tony Longoria ... Flatpoint Faculty (in the Teachers Lounge)
Wallace Little ... Trake
Evelyn McGee ... Clair Noblet
Todd Oldham ... Mr. Oldham, Wood Shop Teacher (in the Teachers Lounge)
Sarah Jessica Parker ... Peggy Callas, Grief Counselor
David Pasquesi ... Stew
Chris Pratt ... Brason
David Rakoff ... Mr. Boswell, Biographer
Cal Robertson ... Les Tuckles
Deborah Rush ... Sara Blank
Maria Thayer ... Tammi Littlenut
Justin Theroux ... Carlo Honklin, Drivers Ed Teacher
Kristy Thomas ... Pork Chop
Callie Thorne ... Mrs. Thorne
Sarah Thyre ... Coach Cherri Wolf
Hechtor Ubarry ... Nico
According to what Amy told the audience at the San Francisco Sketch Comedy Festival on January 18, 2004, the movie will begin with Jerri Blank still doing time in prison. When she's released she returns to her hometown of Flatpoint and learns that her mother died during her extended absence and that her father is now in a coma. Jerri approaches the principal of her old high school, Onyx Blackman, and asks if she can pick up where she left off. From there the story will basically be like an extended episode of the show. She mentioned a plot involving a Science Fair, and also said that they probably couldn't use the same actors who played students on the series because they're all four years older now and they really would have to appear to be of high school age to make Jerri stand out all the more and reinforce just how old she is compared to her classmates. Maria Thayer (Tammi Littlenut) could be an exception, though, because she doesn't look any older.
http://www.jerriblank.com/swcmovie.html