Chenoweth will play Lorna Buchanan, the mother of science geek Hardy, played by Skyler Gisondo ("The Amazing Spider-Man," "The Three Stooges"). Hardy's love interest, Lake, will be played by Hannah Marks ("Necessary Roughness," "Weeds").
The cast will also feature Katrina Bowden ("30 Rock"), who will play Bo, a stripper who lacks direction.
Chenoweth won the Tony Award in 1999 for her performance in You're A Good Man, Charlie Brown. She was nominated in 2004 for her performance in Wicked and has also been seen on Broadway in Steel Pier, Epic Proportions, The Apple Tree and Promises, Promises. The actress is also known for her award-winning film and television work, including "Glee," "Pushing Daisies" and the recent ABC series "GCB."
"Hard Sell" will be directed by Sean Nalaboff.