Dr Leach's name is probably a conscious joke. At one time, doctors bled their patients (using leeches) to correct the balance of "humors", to restore the patient to health.
Includes three young actors who would become icons of the Western genre: Steve McQueen, starting with this very series and continuing with several films; Michael Landon, who was just about to star in Bonanza (1959), followed by Little House on the Prairie (1974); and Nick Adams of The Rebel (1959).
This episode aired almost one year to the day before the September 12, 1959 premiere of the series Bonanza (1959) featuring Michael Landon as Little Joe.
Michael Landon (Carl Martin) and Dabbs Greer (Tom Wade) appeared together as regulars on Little House on the Prairie (1974).
Las Tunas is a major southern California boulevard that passes through Temple City and San Gabriel.