Don Kelly was born on March 17, 1924 in New York City, New York, USA as Donald Patrick Kelly to Robert T. Kelly and Rachel Marie Knudsen. He was raised in Brooklyn, New York. Don was an actor, known for Bombers B-52 (1957), Tank Battalion (1958), and The Hostage (1967), his final starring role. The Hollywood Reporter sated in its film review that "the film owes its vitality primarily to the dynamic forces of the murderer, Bull, played by Don O'Kelly." He appeared in numerous television westerns including Bat Masterson, Cheyenne, The Virginian, and Bonanza. He died on October 2, 1966 in Culver City, Los Angeles, California, USA.