Mary Frances Crosby (born September 14, 1959) is an American actress. She played Kristin Shepard in the television series Dallas (1979–1981, 1991).
Crosby was born in Los Angeles, the only daughter of singer and actor Bing Crosby from his second marriage to the actress Kathryn Grant. She graduated from high school at 15, after which she entered the University of Texas at Austin, where she was a member of Delta Delta Delta sorority, though she never graduated. She is fluent in Spanish. She was married to Eb Lottimer from 1978 to 1989 and, since 1998, has been married to Mark Brodka, with whom she has two children.