Melissa Errico and James Barbour, who played Guenevere and Lancelot, respectively, in the Hollywood Bowl's summer 2005 production of Lerner and Loewe's Camelot, will return to those roles for a one-night-only concert staging of the musical this summer to benefit Irish Repertory Theatre.
SOURCE: Playbill at 11:26AM on April 18, 2011