coronavirus pandemic shuttered Britain’s performance venues more than two years ago, weeks before the scheduled 2020 Oliviers show.Kit Harington, Tom Felton, Emma Corrin and Jonathan Pryce were among the stars expected on the sustainable green carpet, made from reusable grass, on a sunny London afternoon before the glitzy, music-filled ceremony.Redmayne and Buckley are nominated for their roles as the Emcee and Sally Bowles in an intimate production of “Cabaret” that transformed London’s Playhouse Theatre into the Kit Kat Club in 1930s Berlin. The show has 11 nominations for the Oliviers, Britain’s equivalent of Broadway’s Tony Awards.Redmayne is up for best actor in a musical alongside Olly Dobson for “Back to the Future - The Musical;” Arinzé Kene for “Get Up Stand Up! The Bob Marley Musical;” and Robert Lindsay for “Anything Goes.”Buckley is competing for best actress in a musical against Sutton Foster for “Anything Goes;” Beverley Knight for “The Drifters Girl;” and Stephanie McKeon for “Frozen.”Knight said the theater community was ready to celebrate after a difficult couple of years.“We have been bereft of theater for so long, just had nothing.