Royal Dano has a bit part in this episode. He has appeared in other westerns such as The Rifleman, The Virginian, Bonanza, The Big Valley, Hondo, Rawhide and Little House on the Prairie to name a few.
John Schuck who plays the villian prison guard Tilden later was a regular on the series McMillian and Wife (1971-76) and McMillian (1976-77) as Sergeant Charles Enright.
This episode is also known as "The Fifth Horseman".
Glenn Strange is given more to do and say in this episode, which is touching and we get to learn a little bit about Sam's past.