Kevin Kline descends a staircase, not nude, but hung over, his leg making a fancy ballet over the bannister. As the suave, debonair stage actor in his twilight, Garry Essendine, in Noel Coward’s Present Laughter in a charming production at the St. James Theater, he doesn’t remember the cute fan Daphne (Tedra Millan, truly adorable in her Broadway debut), now ensconced in the study behind a closed door, but for his staff, used to taking care of these nights, it’s nuisance as usual. His ménage includes his secretary Monica (the hilarious Kristine Nielsen), his ex-wife Liz (the formidable Kate Burton), two pals/ business associates Henry Lyppiatt (a prim Peter Francis James) and Morris Dixon (a hysterical Reg Rogers). Under Moritz von Stuelpnagel’s expert direction, characters come and go in comic rhythm. When a visiting—read crashing--would be playwright, Roland Maule (Bhavesh Patel) arrives, doors slam vigorously in the manner of a Feydeau farce. Enter Henry’s wife Joanna (Cobie Smulders) in a seductive, slinky gown, a “predator” and Garry’s equal in witty banter, looking for her latest conquest.