This is the character list for the 2005–06 Ultra Series, Ultraman Max. The series took place in the 21st century, featuring a different world where older elements of the Shōwa era Ultra Series appear in addition to new elements in the Heisei era.

UDF DASH The Japanese branch of UDF operated in and is located in the Tokyo Bay. The anti-monster team was formed from the elite members of UDF that were trained in both physical strength and mental intelligence. Although facing monsters within the range of 24 hours a day, their normal operating hours started on 10:00 am. In battle, they deploy the use of mobile carrier and aircraft, the latter with three existing models per combat situations. For road patrol purposes, members can ride on either car or motorcycle.

Members : The 39 year old captain of DASH, who commands the operation from Base Titan. Although usually strict and disciplined, he also has a surprising side, such as affinity for rock music and prone to accept challenges from Alien Shamer and Moetaranga. He is portrayed by . Although not mentioned in the story, Shishido believed that Hijikata is a divorced father with a daughter, due to holding his family picture in episode 7. : The team's marksman with dual wielding DASH Rizer pistols and is a foil to the stoic android Elly. He is portrayed by . : The ace pilot and token female member. Despite her brash attitude, she is an expert in rescue missions and is capable of cooking. As revealed in episode 37, Mizuki is a descendant of the Alien Saton race, but choose to acknowledge herself as a human, having raised on Earth and devoted to its culture. In the penultimate episode, Mizuki's body reached her life expectancy due to constant injuries she suffered from her service as a DASH member. The stresses she suffered reach its limits and died in the Delos civilization, but Kaito was able resuscitate her to life, an act that eventually changed the underground-dwelling race's opinion on mankind. After the final battle, she married Kaito and was last seen in year 2076 observing her descendants leaving for outer space. She is portrayed by , and was planned to be named Akane, after the character from Godzilla Against Mechagodzilla. : The team inventor/scientist/joker. He was transported from the DASH North American branch. He is portrayed by , who is also the basis of his character's first name. : The gynoid operator and analyzer, who is always seen alongside the mascot robot . She develops interest in human emotions and occasionally displayed one as such, which includes a growing interest in Kenjiro Koba. Elly remains functional even 70 years after Max's departure, witnessing future cadets of UDF leaving for outer space. She is portrayed by and is modeled after the android Komachi from episode 17 of Ultra Q: Dark Fantasy. : The team's latest recruit and the main protagonist of the series. Born on August 30, he is aged 23 years old and later 24 as of episode 8. After losing his parents from an earthquake while he was traveling abroad, Kaito resolved to do his best to protect others and participated as a private emergency volunteer so that no one would experience the loss he did. In order to do this he tried joining DASH, but failed the test the first time. He was saved by Ultraman Max from a certain death and was given the Max Spark to transform whenever needs arose. Ever since then, he was approved of his membership in DASH and learned not to be prideful in the Ultra's power. After the final battle against Giga Berserke, the two separated as Kaito promised to Max that humans would hold onto the future by their own hands. Years later, Kaito married Mizuki and the elderly couple bare witness of their grandchildren departing to Nebula M78. He is portrayed by and was originally planned to be named as .

Other UDF members The is an international organization established by the United Nations to deal with monsters and alien invaders that appeared due to frequent natural disasters in various parts of the world in the 21st century. As the main headquarters is in Paris, France, there are other 11 branches across the world, with Japan being one of them.

: UDF chief and the supervisor of DASH. He was previously the deputy commander of the United Nations Peacekeeping Force and chief of staff of the Strategic Self Defense Force. In his younger days, Tomioka was once a talented pilot and even had an old colleague in Dr. Date and archaeologist Ozaki. He is portrayed by , whose previously known for his role as Shin Hayata in Ultraman. This is also referenced once in episode 31 when Kenzo raised his pruning shears in the same manner as Hayata's Beta Capsule. : A monster ecologist who investigates their target's (monster and alien) behavior. Before enrolling into the defense force, a young Yoshinaga was a cast member of the popular horror series Unbalance, under the pseudonym . She is portrayed by , who was previously the actress for Yuriko Edogawa in Ultra Q and Akiko Fuji in Ultraman. As the young actor Hiroko Sakuragi in episode 29, she is portrayed by . : An old veteran and colleague of Tomioka and Yoshinaga. He managed the Base Poseidon and participated in the creation of DASH Bird 3. Initially a one-shot character, Date made several appearances throughout the series to assist DASH and UDF officers of Base Titan. When Delos issued a war on humanity and unleash their Berserke System towers, Dr. Date was able to get the entire faculty of Base Poseidon evacuated before it was destroyed. He is portrayed by , previously the actor of Mitsuhiro Ide in Ultraman and Hiroaki Tobe's voice actor in The Ultraman.

Ultramen The only Ultramen that appear in this series were Max and Xenon. In the semi-canon episode 24, Ultraseven is all but hinted to have been active in the past in against Alien Metron. According to the Ultraman Max official website, both of them were said to be hailed from "somewhere in Nebula M78" without hinting the actual planet, but the official website of Tsuburaya Productions directly listed their birthplace as the , which is also shared with the past Showa Era Ultra Series.

Ultraman Max is the titular Ultra Warrior of the series. Hailing from Nebula M78, Max is a sent to study civilizations throughout the galaxy, with Earth being his most recent assignment. Despite his policy of not interfering with the affairs of other civilizations, Max bonds with Kaito after sensing his bravery during the battle against Lagoras and Grangon, after which the two join forces to protect humanity against monsters and invaders. His activity on Earth is limited to three minutes, with the on his chest flashing red when his energy is close to running out. His mind does not integrate with Kaito's, meaning the two can communicate with each other on certain occasions. When the Delos people declare war on humanity and release the Giga Berserke, Max is prohibited from acting due to his people's laws regarding interfering with other civilizations. However, after Kaito's selflessness changes the Delos' view of humanity, Max agrees to fight the Giga Berserke, being killed in the process. He is revived through DASH's efforts and defeats the machine before leaving Earth.

Kaito transforms into Ultraman Max by using the , which is mounted on his left forearm in Ultra form and allows him to execute the as his finishing move. Max displays great physical strength and is known as the fastest Ultra from M78. Max is also able to increase his height to gargantuan sizes and multiply himself seemingly endlessly, though these techniques consume his energy quickly and reduce his time limit to one minute. In the final battle against Giga Berserke, the massive amount of solar energy he absorbs through the Max Galaxy is enough to allow him to easily enlarge himself to 900 meters.

His other weapons include: : A space boomerang that is stored on his head crest, which he can either throw or wield as a dagger-like weapon. He can also multiply it once thrown. : An item obtained from Ultraman Xenon during his fight with Zetton. Max wears it on his right hand to execute various enhanced finishers such as the .

Ultraman Max is voiced by . In episode 34, Ultraman Max's clones are voiced by .

Ultraman Xenon is Ultraman Max's superior, arriving on Earth during the battle with Zetton to assist Max. He is also the original owner of the Max Galaxy and allows Max to keep it once the battle is over. He later returns to escort Max back to M78 after the battle with Giga Berserke. Xenon can perform the finisher and is able to summon and use the Max Galaxy.

Ultraman Xenon is voiced by , who is previously the voice actor of Ultraman Justice in Ultraman Cosmos sequel movies.

Other characters : A lone office worker manipulated into Eleking's servant. She is portrayed by . : An archaeologist who accompanied the treasure hunter Kenji. After Kenji's death, the hunter found himself joining DASH members in order to escape the Subject Phantom island. He is portrayed by . : A greedy treasure hunter who attempted to kidnap Pigmon after his arrival on Subject Phantom, going as far as sabotaging the DASH Bird 1 when DASH members arrived for inspection. When Salamadon appeared and tried to attack him, Kenji escaped and left Mitsugu behind, only for his helicopter to crash after being hit by the monster's spikes. Aside from being killed, he inadvertently undo the seal of Red King by accidentally damaging the Pigmon. He is portrayed by , previously portraying the naval officer Saijo in Ultraman Cosmos. Unnamed girl (9): The unnamed girl was the spirit of a deceased Natsukawa villager from 20 years prior to the series. She appeared to Kaito and plead him to stop the villagers from angering Natsunomeryu. During the monster's fight with Ultraman Max, she stopped the fight between two giants and passed on to afterlife as the Ultra quell Natsunomeryu's anger. She is portrayed by . : A young boy who, alongside his circle of friends paid their visit to DASH. His initial amazement for the team turned sour after their fight with Metacisus, which the boy managed to discover its exact movement through his cellphone. Eventually his actions allow DASH and Ultraman Max to turn the tides of the battle and regaining his admiration for the attack team. He is portrayed by . : The daughter of the late Baraji civilization researcher, Yuichi. Yuri harbors a strong vendetta against those who humiliated her father's researches and denied DASH the blue stone of Baraji. After rescuing a victim, she gave the stone under her late father's wish, allowing Ultraman Max to defeat the monster. She is portrayed by . : A popular rock band whose concert was threatened by Halen's arrival. Encouraged by DASH members, the group played their music to distract Halen, long enough for Max to kill it and finally allowed to continue the concert uninterrupted. The band members are portrayed by real life members of Japanese band ACTION. : A young girl that inherited the Zetton Nano DNA from an Alien Zetton, giving her prodigious abilities since her childhood. Despite wanting to live a normal life, the Alien Zetton hijacked her body to infiltrate Base Titan, sending King Joe to Earth at the time of Zetton's rampage. When King Joe unveiled itself, Natsumi was brainwashed into its pilot and coerced by the Alien Zetton to murder Kaito, instead killing her genetic progenitor to live a normal life. She is portrayed by and as a child. : A blind girl whose supposedly perform in a concert that was ruined by If's rampage. Bravely confronting the monster, Akko played her flute to ease its rampage and in turn managed to lure If away from Earth with Max's help. She is portrayed by , whose appearance in the series is due to her long time experience with the director, Takashi Miike. : A longtime companion of Kenzo Tomioka from their early days in the defense force. He is portrayed by , whose previously known for the role of Dan Moroboshi in Ultra Seven.