In the cast list above it is indicated that Hal Needham plays the character Charlie, but neither the actor or the character is listed in the credits.
This episode contains Festus and his story about a Beardog.
Guest Star Forrest Tucker was always a colorful character actor on Gunsmoke. This was his first of 6 appearances on the series, including two as Sergeant Emmett Holly. He was the regular on four television series including "F Troop" (1965-67).