Medium who conducts a séance aboard the yacht. Her psychic session reveals the hidden history of Professor Martineau, exposing an affair, a murder conspiracy, and the location of the concealed bodies.
Mignon O'Doherty has 14 screen credits in a career dating back to 1932. Signature works include The Faithful Heart, Ghost Ship, Dandy Dick. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
