This is the fifth of five appearances Carl Milletaire makes in the series. Each of his first two appearances put him in a different role. This is his last of three appearances that put him in the role of gangster Pete Konitz, one of Frank Nitti's henchmen.
This is the third of five appearances Michael Constantine makes in the series, each time appearing as a different character.
This is the fourth of eight appearances Grant Richards makes in the series. For most of these appearances, he takes on the persona of different characters. In three of his appearances, this being the second of these, he plays the hoodlum Frankie Resko.