grave. She is portrayed by . : The captain of the Kaijinmaru transport ship until Seamons attack it to devour the gems. Ever since that incident, he was rendered catatonic until he regain his senses from Seagorath and Seamons' thunderstorm. After the two monsters return to the ocean, Takamura returned to his job as a sailor with his new crew members. He was portrayed by , known for the role of Captain Muramatsu in Ultraman. : Captain Takamura's daughter. She is portrayed by . : A young boy who lives in an impoverished neighborhood alongside his grandfather. After losing his mother, Shiro became attached to his train driver father who worked for a train company ran by Captain Katō's brother. His father died a year before the series due to Eledortus, but his death was classified as the train driver's fault while Shiro's claim of Eledortus' fault was dismissed by many. Ever since then, he constantly bullied the captain's nephew, Susumu while observing the monster Eledortus on a nightly basis. During Eledortus' attack on a train, the boy was accused by Minami for instigating the incident, but his testimony was proven when Eledortus attacked a power station. He is portrayed by , who had various cameo appearances in Return of Ultraman as Jirō's unnamed friend. : A man who's jealous of his lover Yukiko being taken by Hiroshi. He attempts to sabotage Hiroshi's boat party, but Terochilus' attacked foiled his murderous intent despite being arrested nonetheless. After escaping the police, Saburo strapped a few dynamites to himself and kidnapped a blind Yukiko into Terochilus' nest. He was killed after sustaining police gunshots for a very long time. He is portrayed by . : Aki Sakata's friend and fiancée of Hiroshi. She was blinded after being exposed to Terochilus' sulfur when combined with Go's exhaust gas emissions and kidnapped by Saburo into Terochilus' nest. She is portrayed by . : Yukiko's fiancé. During a celebration, Terochilus attacked the boat due to the noise made from the party and exploded due to Saburo's part. When Yukiko was kidnapped, Hiroshi decided to forsake her out of his own safety when Terochilus made its nest on Tokyo. He is portrayed by . : A young boy with fanaticism for monsters. He managed to salvage a remaining piece of Kupukupu and inadvertently responsible for the birth of Kingstron. He is portrayed by . : A