Dannar Base (Japan)
Goh Saruwatari (猿渡ゴオ（さるわたり ゴオ）, Saruwatari Gō)
Goh, the male protagonist, initially rescues Anna in a battle with the Mimetic Beasts. Over the course of five years, Goh and Anna developed a deep love for each other and plan to marry. However, when the Mimetic Beasts return, he experiences conflicting emotions towards other women, such as when Mira reawakens and Shizuru is killed. Despite these feelings, when Anna leaves Dannar Base due to her guilt and jealousy towards Mira, Goh chooses to remain loyal to her and sets aside his emotions for Mira. Throughout battles with the Mimetic Beasts, Goh contracts the Insania virus, eventually resulting in his body being encased in a cocoon, waiting to emerge as a Beast. To reverse this transformation, Goh is placed in suspended animation for seven years and is later cured with a vaccine made from Mira and Morimoto's son's DNA.
Voiced by: Takayuki Kondo (Japanese); Brett Weaver (English)
Anna Aoi (葵杏奈（あおい あんな）, Aoi Anna)/Anna Saruwatari (猿渡杏奈（さるわたり あんな）, Saruwatari Anna)
Anna is the female protagonist. An emergency call came from Dannar Base requesting Goh's assistance interrupts their wedding ceremony. She becomes the pilot of Neo Okusaer and later Go Okusaer, GoDannar's original partner. She becomes a surrogate mother to Lou and befriends and mentors Mira before learning of Mira's past with Goh. It is revealed through her conversation with Hidebo that Anna's desire to become a robot pilot came from her childhood. She, Goh, and Lou form the Godannar Triple Drive when Celleblader fuses with Godannar. At the end of the series, Anna and Goh remarry.
Voiced by: Mai Nakahara (Japanese); Hilary Haag (English)
Milla Ackerman (ミラ・アッカーマン, Mira Akkāman)/Miracle "Mira" Ackerman
Mira is the original pilot of Neo Okusaer. She is Goh's former combat partner and lover, as well as Max's ex-girlfriend, until she is apparently killed in battle. Five years later, Mira awakens without her memory. After regaining her full memories, she resumes her old duties as pilot of the Neo Okusaer. She tries to steal Goh from Anna at the end of the series by attempting to kill him to stop his transformation, a discussion with Anna makes her realize that Anna is Goh's true love and partner and she respectfully steps aside. She cannot die from her wounds as her prolonged time in the infected Club Mariner, which caused her DNA to evolve constantly and repair her body from even the worst physical injuries. Her DNA is developed as a cure for the infection caused by the Mimetic Beasts. She reveals at the end that her name is short for Miracle.
Voiced by: Aya Hisakawa (Japanese); Monica Rial (English)
Kiriko Aoi (葵霧子（あおい きりこ）, Aoi Kiriko)
Kiriko is Anna's mother and Goh's boss. She developed the Dannar project with her husband Tatsuya.
Voiced by: Takako Honda (Japanese); Laura Chapman (English)
Shizuru Fujimura (藤村静流（ふじむら しずる）, Fujimura Shizuru)
Shizuru is the pilot of Core Gunner. She is one of Goh's best friends and was secretly in love with him, but is unable to confess these feelings due to his relationship with Mira and later his marriage to Anna. She develops a close friendship with Anna and Goh's younger brother Shinobu. Shizuru is killed by a swarm of Type 19 Mimetic Beasts, but is resurrected by Mira. She becomes the general manager of Dannar Base while Kiriko Aoi and Commander Kagemaru search for a cure to the Insania virus.
Voiced by: Yumi Kakazu (Japanese); Tiffany Grant (English)
Tetsuya Kouji (光司鉄也（こうじ てつや）, Kōji Tetsuya)
Tetsuya is Shizuru's partner and G-Gunner's co-pilot. He spends most of the series recovering from injuries sustained in the battle from the first episode. He leaves Dannar Base to secretly train with Tatsuya. He later returns in the final episodes piloting both the G-Zero Gunner and Club Mariner for the grand battle against the Super Mimetic Beast. At the end of the series he is the vice commander of Dannar Base and still remains a pilot.
Voiced by: Nobuyuki Hiyama (Japanese); Christopher Ayres (English)
Max Junior (マックス・ジュニア, Makkusu Junia)
A Japan Base (later Dannar Base) pilot.
Shinobu Saruwatari (猿渡忍（さるわたり しのぶ）, Saruwatari Shinobu)/Nicchi (忍っち)
Shinobu is Goh's younger brother who lives with Goh and Anna. He becomes the pilot of the Neo Diver.
Voiced by: Junko Minagawa (Japanese); Greg Ayres (English)
Kagemaru (影丸（かげまる）)
Kagemaru is the commander of Danner Base. At the end of the series, he turns down a promotion from the commissioners to become a robot pilot.
Voiced by: Taro Yamaguchi (Japanese); Mike Vance (English)
Tatsuya Aoi (葵竜也（あおい たつや）, Aoi Tatsuya)
Tatsuya is Anna's father. He left his family when Anna was a small child and disguised himself as different people to watch over Anna and Dannar Base. He and Kiriko were the founders of the Dannar project. He appeared during the final episodes to aid Danner Base against the Super Mimetic Beast. He tries to leave again at the end but is interrupted by Kiriko.
Voiced by: Hiroya Ishimaru (Japanese); John Swasey (English)
Konami Sasagure (笹暮小波（ささくれ こなみ）, Sasakure Konami)/Konami (コナミ)
Konami is one of the two operators of the main ship's console. She becomes a pilot of Alpha Tiger at the end of the series alongside Momochi.
Voiced by: Akeno Watanabe (Japanese); Mariela Ortiz (English)
Momoko Momozono (桃園桃子（ももぞの ももこ）, Momozono Momoko)/Momochi (モモチー)
Momoko is one of the two operators of the main ship's console. She becomes a pilot of Alpha Tiger at the end of the series alongside Konami.
Voiced by: Mamiko Noto (Japanese); Brittney Karbowski (English)
Shibakusa (芝草（しばくさ）, Shibakusa)/Pops (おやっさん, Oyassan)
Shibakusa is the widowed head mechanic. He runs a ramen shop with Tonko in the end of the series seven years later until the base is repaired, when they resume their duties.
Voiced by: Jin Horikawa (Japanese); Rob Mungle (English)
Touko Hiiragi (柊冬子（ひいらぎ とうこ）, Hiiragi Tōko)/Tonko (トン子)
A female mechanic.
Nanae Hayashi (林奈々絵（はやし ななえ）, Hayashi Nanae)
Nanae is one of the mechanics at Dannar Base. She becomes infected by the virus after being eaten by a Type 13 Mimetic beast early in the series and becomes a carrier. She has a relationship with Morimoto, another mechanic at the base, and marries him. Her children become second generation carriers, whose DNA has the ability to repair the infected DNA caused by the Insania Virus.
Voiced by: Nanae Katō (Japanese); Cynthia Martinez (English)
Morimoto (森本（もりもと）)
Morimoto is a mechanic at the Dannar base who marries Hayashi and has three children.
Voiced by: Shinji Kawada (Japanese); Mark X. Laskowski (English)
Sugiyama (杉山（すぎやま）)
Sugiyama is the second head mechanic.
Voiced by: Daisuke Ono (Japanese); Andy McAvin (English)
Yanagisawa (柳沢（やなぎさわ）)
A mechanic.
Pinpin (ぴんぴん)
Anna's pet cat.
