Classic Stage Company celebrated the opening night of its production of “Uncle Vanya” last night (read reviews below) and caught the attention of many famous guests, such as Mamie’s “Evening” co-stars Claire Danes and Hugh Dance, who recently got engaged, Jake Gyllenhaal, and “Vanya” stars Maggie Gyllenhaal and Peter Sarsgaard. Pictures from both the curtain call and the opening night can be found in the Image Library.