Series regular Anthony George is fifth-billed in the on-screen closing credits but does not appear in the episode.
Ace Banner appears to be based on real-life bank robber Herman Lamm, a former Prussian army officer whose robberies were noted for their precision and careful planning.
Adjusted for inflation, the $450,000 reported to have been robbed from the bank would equal approximately $10,676,000 in the year 2024.
This is the sixth of 20 appearances Frank Wilcox makes in this series, each time playing Federal DA Beecher Asbury. While still appearing in this series, he took on the recurring role of oilman John Brewster, a role he is perhaps best remembered for, in the hit TV sitcom The Beverly Hillbillies (1962).