Melody Patterson (Wrangler Jane Angelica Thrift) was only sixteen when she auditioned for the part, not really expecting to get it. When she found out that she got it, she and her mother put off telling the show's producers her real age until just before shooting started.
Many viewers have thought that because "Old Charlie" the town drunk would usually be thrown through the saloon doors (or window), bounce off a support post, fall face forward over the hitching rail, spin around and land on his face or back in three episodes, he was actually a young stuntman in "old man" make-up. In reality, "Charlie" was ace stuntman Harvey Parry, who at that time was sixty-five-years-old and had been a stuntman for almost forty-five years.
The name of the tribe, to which Wild Eagle belonged, was the Hekawe. In one episode, it was explained that the name came about by two Indians falling off a cliff and one asking "Where the heck are we?" The original name of the tribe, the Fugawe (As in, "Where the Fugawe?"), was rejected by network censors.
There was a running gag in the show where someone would be given directions. The directions usually included "Turn right when you see the rock shaped like a bear. Turn left when you see the bear shaped like a rock."
The names of Captain Wilton Parmenter's (Ken Berry's) family all came from mythology. His first cousin was a Major named Achilles (Greek), his second cousin was a Lieutenant Colonel named Hercules (Romanization of the Greek Herakles), his uncle was a Colonel named Jupiter (Roman), and his father was a General named Thor (Scandinavian).
It is mentioned several times throughout the run of the series that Sergeant Morgan O'Rourke (Forrest Tucker) was a veteran of the Mexican War. However, it is not made clear as to whether or not he or Corporal Randolph Agarn (Larry Storch) fought in the Civil War.