The 5:30 PM benefit was created by OPC artistic director Robert Egan. The evening honors playwright Bill Cain and actress Dana Delany.
In addition to Mullally, Quinto, Gaines and Marcovicci, the evening includes Marcia Gay Harden, Steven Weber, Noah Wyle, Patrick J. Adams and Nick Offerman.
Following the cabaret, guests are treated to music, martinis, a gourmet dinner prepared by celebrity chef Michael Hollingsworth, and the 2012 OPC Awards, honoring Cain and Delany, who is also an OPC board member.
Conan O’Brien is one of the celebrity guest auctioneers at the dinner and auction.
Cain's plays How To Write a New Book for the Bible, Equivocation and 9 Circles were developed at Ojai.
Emmy winner Delany can currently be seen in the ABC television series "Body Of Proof." Her credits also include "Desperate Housewives," "China Beach," "Tombstone," "Exit to Eden, "Resurrection" and more.
For tickets, beginning at $90 (show only), visit OjaiPlays.