Steve Pendleton and Lee Van Cleef played deputies Kelsey and Clyde Wilson, respectively, in the episode "Man on a Mountain" (June 12, 1960).
Sammy Davis, Jr., appears in the episode "Blue Boss and Willie Shay" (March 12, 1961) as singing cowboy Willie Shay, who sings part of the western song, "The Streets of Laredo," also known as "The Cowboy's Lament".