Charlotte Fisher

Charlotte Fisher (AKA Carlotta or Carlo), c. 1901-1976, was both the secretary of Agatha Christie and the governess of Rosalind.

The novels The Mystery of the Blue Train and And Then There Were None are dedicated to Carlo. The latter is also dedicated to Charlotte's sister Mary Fisher. Agatha Christie considered these two among her most loyal friends who had stood by her in the aftermath of her disappearance in 1926. Charlotte and Mary were witnesses at Christies marriage to Max Mallowan.

Fictional portrayals

 * In the 1979 film Agatha she is portrayed by actress Carolyn Pickles.
 * In the 2018 film Agatha and the Truth of Murder she is portrayed by actress Clare McMahon.