Tony-winning director Kenny Leon and others were also on hand to celebrate.
Full casting for the Huntington Theatre Company production of the drama has been announced.
Vince Vaughn, Amber Tamblyn, and more joined the stars to kick off the 2014-15 season.
Directed by Kenny Leon, the production also stars Christopher Jackson, Ben Thompson, Saycon Sengbloh, and Tonya Pinkins.
The new musical takes the stage of the legendary theater in May.
The D.C. theater will present a new stage adaptation of the classic 1967 film.