A tough-looking character actor in Grade-Z Westerns of the 1940s, Terry Frost's screen career was highly affected by a role he didn't get to play. In 1945, Frost, who had been portraying henchmen in Westerns since 1941, was signed to star the title role in Dillinger, a low-budget but highly publicized melodrama depicting the exploits of real life gangster and Public Enemy Number One, John Dillinger. The proposed screenplay, however, came in for intense scrutiny by the Production Code censors and when the cameras finally rolled, the part had been re-cast with newcomer Lawrence Tierney, who thus embarked on a long and profitable career portraying public enemies. Frost, in contrast, returned to the realm of low-budget oaters, laboring rather anonymously in countless Western melodramas for also-ran studios Monogram and PRC. He was even busier on television in the 1950s, appearing in seemingly every Western series ever produced, from The Gene Autry Show to Gunsmoke to Rawhide. In his later years, the erstwhile vaudevillian and coffee shop owner became a popular guest speaker at various B-Western conventions, where he would reminisce about everyone from Johnny Mack Brown to Whip Wilson. His death was attributed to a heart attack.