Princess Anna Michaelovna Poporensky

In the short story Jane in Search of a Job, Princess Anna Michaelovna Poporensky is a middle-aged woman who served as lady-in-waiting to the Grand Duchess Pauline of Ostrava. The princess and her colleage Count Streptitch tested Jane Cleveland and concluded that she was well suited to the role of impersonating the Grand Duchess as a precaution against assassination. The Grand Duchess who employed Jane turned out to be an imposter herself and a robber. Likewise the Princess Poporensky is an imposter and a member of her gang.

The princess was described as a "short middle-aged lady". She was "plump and extremely ugly, but had nevertheless the air of being a person of importance."

Portrayals
In the episode Jane in Search of a Job of The Agatha Christie Hour, a TV film adaptation of the story, the part of the Princess Anna is played by Stephanie Cole.