Chad Everett and Claude Akins also appeared together in Claudelle Inglish (1961), The Dakotas : The Chooser of the Slain (1963) and Medical Center : Time of Darkness (1973).
It is believed that Gene Hackman wore his own Marine Corps billed cover (cap) in the film. Hackman is a Marine Corps veteran.
James Best would gain mainstream success ten years later as Sheriff Roscoe P. Coltrane on The Dukes of Hazzard a decade later, but he'd been a working actor for a long time. Although in First To Fight, unlike a lot of other films and television shows, he does practically the same chortle/laugh (sounding like "koo koo") that would become iconic on The Dukes of Hazzard.
Made by Warner Brothers, the couple go on their first date to see a "new release" titled Casablanca, also by Warner; after which the Casablanca theme would become part of this film's soundtrack.
Producer William Conrad narrates the beginning. He also narrated another film he produced (and in that case, directed), My Blood Runs Cold in 1965.