Frank Overton: Frank Overton. Actor: To Kill a Mockingbird. Perpetually serious-looking New York-born character actor, who showed up to good effect in many TV shows of the 1950s and '60s. His quietly authoritarian demeanor lent itself ideally to portraying characters with badges or uniforms: Sheriff Heck Tate in To Kill a Mockingbird (1962), General Bogan of Strategic Air Command in Fail Safe (1964) and Major Harvey Stovall of Bomber Group 918 in...