Question:  I'll Take Romance starred Grace Moore, Melvyn Douglas, Helen Westley, Stuart Erwin and this American film character best known for her portrayal of who?
Sentence (from "I'll Take Romance (film)"): I'll Take Romance is a 1937 romantic musical film directed by Edward H. Griffith, starring Grace Moore, Melvyn Douglas, Helen Westley, Stuart Erwin and Margaret Hamilton.
Relevant evidence: Yes