The Roundabout Theatre Company production of Noël Coward's Fallen Angels, directed by Roundabout Interim Artistic Director Scott Ellis, begins performances on March 27. Tony winner Kelli O'Hara and Golden Globe winner Rose Byrne star as Julia Sterroll and Jane Banbury, respectively. Mark Consuelos makes his Broadway debut as Maurice Duclos, with Tracee Chimo as Saunders, Christopher Fitzgerald as…