Many of those who had come to Leicester Square, hunting for half-price theater tickets, gravitated to her, beckoned by her eyes, lured on by the legend of mist and mystery that surrounded her. A few balked at the price of “An Intimate Evening with Cat Courtney.” Others realized to their sorrow that they had conflicting tickets, meals planned with in-laws, flights to catch. Three nights only, announced the poster, and this, unfortunately, was the last night.