A Review by Melissa Compton. The latest production to grace the stage at New Theatre Cardiff is The Lady Vanishes, the adaptation of the classic Sir Alfred Hitchcock 1938 film of the same name takes us on a journey with Iris played brilliantly by Lorna Fitzgerald who is travelling home to England from German occupied Austria, when she encounters Miss Froy played by Juliet Mills who helps her after she is knocked on head on the station platform. Miss Froy…