Question: The Latvian singer, model, and actor known for her appearance in the 2016 British war comedy directed by Lone Scherfig is also a songwriter for which band?
Sentence (from "Their Finest"): The film stars Gemma Arterton, Sam Claflin, Bill Nighy, Jack Huston, Jake Lacy, Richard E. Grant, Henry Goodman, Rachael Stirling, Eddie Marsan, Helen McCrory, and Claudia Jessie.
Relevant evidence: No