On stage and on screens both big and small, Phoebe Waller-Bridge is a new name and an astonishing performer new to theater critic Michael Bourne. Michael reviews her in off-Broadway's Fleabag. The show is playing at the Soho Playhouse. Fleabag, which is written by and stars Waller-Bridge with direction by Vicky Jones, is in the U.S. following acclaimed runs in the U.K. and a subsequent television adaptation from the BBC. Waller-Bridge is the co-artistic director, with Jones, of DryWrite Theatre