Stingray (1964 TV series) to HO". The process of designing and making the puppets took four months and each of the main characters was sculpted in duplicate to allow two episodes to be filmed simultaneously using both puppet stages. The likenesses of some of the puppets were inspired by real-life actors: Titan was based on a young Laurence Olivier and Surface Agent X-2-0 on either Claude Rains or Peter Lorre. Troy Tempest was modelled on James Garner at Gerry Anderson's suggestion. Atlanta Shore has been likened to Lois Maxwell (who voiced the character) and Marina to both Brigitte Bardot and Ursula Andress. "Stingray" was
Stingray (1964 TV series) that "Stingray" contains "more than a touch of the Cold War ethos", suggesting that Titan "could have easily belonged to an underwater branch of the Soviet Bloc, hungering for the destruction of the Tempest." According to the "Stingray" comic strip in the weekly "Countdown" comic, more than one "Stingray"-class submarine was in service in the Marineville fleet. These vessels had names such as "Spearfish", "Barracuda", "Moray", and "Thornback" and were identified by different numbers on their fins, suggesting that the "3" painted on "Stingray"<nowiki>'</nowiki>s tail fin did not indicate that the submarine was a "Mark III" after all. A similar