Pop the champagne cork! On December 5, Oscar-winning playwright Ethan Coen and director Neil Pepe celebrated the opening-night performance of Atlantic Theater Company's Happy Hour with their talented ensemble cast. The collection of three short plays features actors Cassie Beck, Aya Cash, Clark Gregg, Susan Hyon, Rock Kohli, Gordon MacDonald, Amanda Quaid, Ana Reeder, Joey Slotnick and Lenny Venito. Crack open a beer and head over to the Signature Theater Company’s Peter Norton Space before December 31 to check out this limited engagement.