Diana Mae Van Der Vlis appeared in a broad range of plays, including the Broadway productions of The Happiest Millionaire (for which she was nominated for a Tony). Her films included The Man With the X-Ray Eyes, The Incident, and The Swimmer. She also appeared in numerous television shows, including Alfred Hitchock Presents, The Man from U.N.C.L.E., The Fugitive, The Defenders, Where the Heart Is and Ryan's Hope