Roy Bourgeois was frequently seen as the helicopter pilot for the first two years of this series, often without receiving screen credit. Ironically, he receives screen credit in this episode for a small role as a truck driver
The actor playing Stan Warren was never credited for this main role.
Mathews uses the radio identifier 141 for the helicopter, which was the numeric portion of the registration number. The registration number for this helicopter was N141B, which showed as being a 1947 Bell model 47G. This helicopter was used in several series in the 50's and 60's and is reported to have crashed in 1982 in Ohio.
Winthrop University is located in Rock Hill, SC, just south of Charlotte, NC. At the time this was filmed, Winthrop was a college, not a university. It achieved university status in 1993. Originally, it was a female only teacher's school & went co-ed in 1974
Suspect Stan Warren is driving a two-tone 1956 Plymouth Belvedere Convertible when he stops at the gas station. This model featured the 277 cu.in. V8 engine rated at 187hp and 265 lbs.ft. Torque. It also introduced the first push-button automatic transmission known as the "PowerFlite."