Philip Goodwin stars in Tynan, a one-man show, from Richard Nelson and Colin Chambers, about the great theater critic Kenneth Tynan, based on his diaries edited by John Lahr. Tynan dishes dirt and critical cruelties on theater celebrities of his day, including Vivien Leigh, Orson Welles, Laurence Olivier and C.S. Lewis. Paul Mullins directs. Extended to Feb. 13. Studio Theatre, 14th & P Streets NW. Tickets are $50 to $57. Call 202-332-3300 or visit studiotheatre.org.