Question: Irish born actress Geraldine Somerville  appeared in the 2011 British Drama film My Week with Marilyn and played who in the "Harry Potter" series?
Sentence (from "My Week with Marilyn"): Based on two books by Colin Clark, it depicts the making of the 1957 film "The Prince and the Showgirl", which starred Marilyn Monroe (Williams) and Laurence Olivier (Branagh).
Relevant evidence: No