Harry Lillis Crosby III is an American actor, singer, and investment banker.
Crosby was born in Hollywood, California, at Queen of Angels Hospital. He is the fifth son of actor and singer Bing Crosby, the eldest from Bing's second marriage to Kathryn Crosby. Harry is: the brother of Mary and Nathaniel Crosby; the half-brother of Gary, Dennis, Phillip and Lindsay Crosby; the half-uncle of Denise Crosby; the nephew of Bob Crosby and Larry Crosby.
Crosby has worked in investment banking since the 1980s and served as a managing director of Credit Suisse First Boston in New York City. He now occasionally performs with singers at coffee houses and clubs.