Starr Flagg, the heroine of UNDERCOVER GIRL, was a female secret agent who debuted in MANHUNT #1 (11/1947) and appeared in 11 issues of that title, plus 2 issues of Trail Colt and then 2 reprint issues of Manhunt (#13-4). She graduated to her own try-out title in 1952 as part of the A-1 series.