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"): The film focuses on the week during the shooting of the 1957 film when Monroe was escorted around London by Colin (Redmayne), after her husband Arthur Miller (Dougray Scott) had returned to the United States.
Relevant evidence: No