Broadway vets Christopher Gurr and Leah Hofmann also take part in the discussion.
The Musicals in Mufti production welcomes the show's lyricist to the cast.
The Tony-winning composer-lyricist reveals his latest project at the New Yorker Festival.
The Big Bang Theory star previously appeared on Broadway in The Normal Heart and Harvey.
The film version of the Stephen Sondheim-James Lapine musical will hit theaters on December 25.
The organization will celebrate the Tony winner at its annual gala.
The production is a staging of the first section of William Faulkner's masterpiece.
The star-studded production also features Rupert Grint, Stockard Channing, Megan Mullally, and more.
Klea Blackhurst will star in the production.