Starring in Sessions are Bertilla Baker Titanic as Mrs. Murphy, Amy Bodnar Oklahoma! as Leila, Al Bundonis Ragtime national tour as Baxter, David Patrick Ford The Full Monty national tour as Dylan, Scott Richard Foster Brooklyn the Musical as Preston, Jim Madden Hello, Dolly! as Mr. Murphy, Kelli Maguire A Wonderful Life as Sunshine, Trisha Rapier The Boy from Oz as Mary, Matthew Shepard Beauty and the Beast as Dr. Peter Peterson and Ed Reynolds Young Chapter Two as The Voice.
Tapper produced the 2004 documentary Broadway: The Golden Age and wrote the off-Broadway musicals Imperfect Chemistry and From Where I Stand. Sessions features musical arrangement, orchestrations and musical supervision by Steven Gross, scenic and costume design by Peter J. Barbieri Jr., lighting design by Deborah E. Constantine and sound design by Wallace J. Flores.