Series regular Doug McClure (Trampas) and guest star William Shatner (Henry Swann) later co-starred in the short-lived Western series Barbary Coast (1975).
Reunited: William Shatner (Henry Swann) and Charles Maxwell (Charlie Becker), who just a year earlier played Capt. Kirk and Virgil Earp in the Wild West-themed Spectre of the Gun (1968).
Doug McClure and William Shatner appeared together also in The Claim S04E04.
James A. Watson Jr. and William Shatner would both later be in Airplane II: The Sequel.