During the first two seasons the clerk was played alternately by Jack Harris and Jack Gargan. Midway through season 2 George E. Stone took over the clerk's role, and remained with the series through season 6; Stone alternated with actors Charles Stroud, Olan Soule, and Hans Moebus.
The clerk's character was played by different actors during the first two seasons, with George E. Stone taking over midway through season 2 and continuing to alternate with other actors like Charles Stroud, Olan Soule, and Hans Moebus until the end of season 6.