Veteran actor Don Diamond makes his sole series appearance in the minor role of the office painter. Diamond was a popular and busy actor in the 1950s and '60s, appearing regularly on The Adventures of Kit Carson (1951) (as Carson's sidekick Toro), Zorro (1957) (as Corporal Reyes), and F Troop (1965) (as Crazy Cat). Diamond also voiced Toro the Toad in the animated Tijuana Toads (1969).