One month after this was originally aired, Kathie Browne and Jason Evers would also appear together in Wink of an Eye (1968).
Antoinette Bower, Kathie Brown, Michael Dante and Jason Evers all appeared in Star Trek episodes. Brown and Evers together in Wink of an Eye (1968), Michael Dante in Friday's Child (1967), and Antoinette Bower in Catspaw (1967).
The lynching of three innocent Mexicans, a sub-plot of this story, served as an allegory for the civil rights movement of the 1960s. This was a period of American history in which the lynching of African-Americans of the then recent past came to the forefront of national awareness.