The ad copy is referring to Oscar-winning actress Barbara Stanwyck and her leading man, Robert Taylor, who were once married. When producer William Castle tried to get the two former lovers to co-star, he first asked Taylor. He said, "It's all right with me, if Barbara agrees." Castle then asked Stanwyck, who said, "It's all right with me, if it's all right with Mrs. Taylor." Castle then asked Ursula Thiess, Taylor's new wife. She shrugged. The film was on.
This was Stanwyck's last film role.