Actress and Big Band Singer Janet Blair visits Donn along with her second husband, tv producer Nick Mayo. they married in 1952, so this is 1952 or later.
In 1950, Blair took the lead role of Nellie Forbush in the U.S touring production of the stage musical South Pacific, making more than 1,200 performances in three years. “[I] never missed a performance”, she noted proudly. During the tour, she also married her second husband, producer-director Nick Mayo, and they became parents of Amanda and Andrew.
Her Wikipedia entry: Janet Blair