“Who is Brenda de Banzie?” asked the Café reader. “And why does she deserve the illustrious Underrated Performer of the Week spot?” Ms. de Banzie starred in only 17 films, but—like a few others honored here—the quality of her work far exceeded the quantity. She gave a brilliant. Swinging – or the swinging lifestyle – is a reference to non-exclusive sexual activity that’s usually experienced as a couple, and in…