Your new movie, Unfinished Song, is such a weepie. What drew you to it?
The fact that here's a couple who've lived very ordinary, humble lives. They draw this insufficient pension, which all old-age pensioners draw. Nobody else sees why she loves and respects him, but she does, and she sings about it.
Have you done a lot of singing?
I always loved singing because we used to sing round the piano. My father [actor Michael Redgrave] was a brilliant pianist. He loved American musicals. He would bring back loads of song sheets when he went to America to...