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) approximately 21 minutes and featuring the voice cast from the TV series, are included as special features on the UK "Stingray" DVD box set. "Marina Speaks" reveals that Marina is in fact not mute at all. In fact, her race has been cursed by Titan – should any one of them speak, another will die. They are not certain that this is true, but none of them dares find out; thus, for years they have lived in complicit silence. Media historian Marcus Hearn argues that "Stingray" essentially "[transfers] the format of "Fireball XL5" to an underwater setting." Writing in 2006,