Mary Frances Crosby is an American actress, the only daughter of actor/singer Bing Crosby and his second wife Kathryn Grant. She played Kristin Shepard in the television series Dallas.

Laurence Earl Crosby was the long-serving publicity director of his younger brother, Bing Crosby, a manager, a philanthropist, an inventor, and an author. He was the eldest of Bing's six siblings.