In addition to Hayes (in his Broadway debut) and Chenoweth, Promises, Promises also featured Tony Goldwyn, Katie Finneran, Dick Latessa, Brooks Ashmanskas, Peter Benson, Seán Martin Hingston and Ken Land. The ensemble also included Cameron Adams, Ashley Amber, Helen Anker, Nathan Balser, Wendi Bergamini, Nikki Renee Daniels, Sarah Jane Everman, Chelsea Krombach, Keith Kuhl, Matt Loehr, Mayumi Miguel, Brian O'Brien, Sarah O'Gleby, Adam Perry, Megan Sikora, Matt Wall, Ryan Watkinson and Kristen Beth Williams.
Promises, Promises features a score by Burt Bacharach and Hal David and a book by Neil Simon. Based on the 1960 Academy Award-winning Billy Wilder film "The Apartment," the musical, according to press notes, "tells the story of the Consolidated Life Insurance Company and Chuck Baxter, one of its charming young employees. In an effort to advance at the company, Chuck lends executives his apartment for their extramarital romantic trysts. But things become slightly complicated when Fran Kubelik, the object of Chuck's affection, becomes the mistress of one of his executives."