Madeline Arnold

Madeline Arnold is the nineteen-year-old fiancée of Gordon Evans. She is pretty, tall, and athletic, with a direct personality. She knows what she wants and is accustomed to getting it, although she is also a good loser. She is popular with both men and women. Madeline is exasperated by Nina's hostility towards her, but she later admires the older woman for the way she nursed her husband after his stroke.

Edmund Darrell

Edmund Darrell is Nina's lover and the father of her son, Gordon. A neurologist, Darrell first becomes acquainted with Nina at the hospital for World War I veterans where she works. He is shocked by her promiscuous behavior there, which he believes is due to a martyrdom complex that she has developed following the death of her fiancé, Gordon Shaw. Darrell suggests a marriage to Evans as a way of restoring Nina...