sentences:  Rabb was born the only child of Clark Williamson and Mary Carolyn, his subsequent work as an actor included starring in the New York City premiere of David Mamet's "A Life in the Theatre" in 1977 at Off-Broadway's Theatre de Lys, and in 1980 he played the title role in "The Man Who Came to Dinner" at the Circle in the Square Theatre.His later directing work included a 1973 production of "A Streetcar Named Desire", starring Rosemary Harris (to whom he was married from 1959 to 1967), James Farentino, and Patricia Conolly; a memorable all star Broadway revival of "The Royal Family" starring Rosemary Harris, Sam Levene, George Grizzard and Eva LeGalliene in 1975 for which he won both a Tony Award and a Drama Desk Award, and a 1983 revival of "You Can't Take It with You" with Jason Robards and Colleen Dewhurst.His final Broadway production was his own adaptation of Arthur Schnitzler's "The Loves of Anatol".