Strother Martin's character has a pet snake which he later uses as a weapon .The year before Martin played a scientist researching snakes and developing a serum to turn men snakelike in the film 'SSSSnake'.
This two-parter marks the final appearances of the following actors. The numbers after each name indicate the total number of appearances each actor had as of this story. Strother Martin, 10-11; William Watson, 3-4; Hank Brandt, 4-5; Regis Cordic, 4-5;
Likely the most grueling episodes (parts 1 & 2) of the series, for Ken Curtis (Festus). Strother Martin (Ben Snow) also gave a bravura performance, under harsh desert conditions.