His parents were Bing Crosby, of whom he wrote a highly critical memoir, and the singer and actress Dixie Lee.

[1][2] He entered the entertainment business and performed in a harmony singing group, The Crosby Boys, with his three brothers, Philip, Lindsay, and Dennis, during the 1940s, 1950s, and 1960s.

He appeared in a number of supporting roles for the studio, normally comedies in which Crosby played a soldier: Mardi Gras (1958) with Pat Boone; Holiday for Lovers (1959), as Carol Lynley's love interest; A Private's Affair (1959), with Sal Mineo; The Right Approach (1961) with Frankie Vaughan.

He is perhaps best remembered for his recurring roles as Eddie the scheming bellhop on The Bill Dana Show and Officer Ed Wells on NBC's Adam-12 from 1968 to 1975, as well as appearances on several other shows produced by Jack Webb's Mark VII Limited (including an episode of Dragnet 1969 and five episodes of Emergency!).

"[8][9] Unlike Gary, Lindsay stated that he preferred to remember "all the good things I did with my dad and forget the times that were rough".

[10][11] Gary Crosby's adopted son, Steven, stated in a 2003 interview: In the early years, I think, like any family you are going to butt heads with your mom, your dad and your brothers and sisters.

[12]Gary Crosby died of lung cancer in Burbank, California, in 1995, and is interred at Forest Lawn-Hollywood Hills Cemetery.