SKaRD , abbreviated as , is a special forces unit established within the GGFJ. • : The 30-year-old captain of SKaRD, born on November 3, 1992. He transforms into Ultraman Blazar with the and the crystal. He is portrayed by . As a baby, Emi is portrayed by . • : A 26-year-old pilot for Earth Garon, born on May 8, 1997. She is portrayed by . As a child, Anri is portrayed by . • : A 25-year-old skilled mechanic and pilot for Earth Garon, born on April 22, 1998. He is portrayed by • : The 29-year-old vice-captain and operations strategist of SKaRD, born on October 21, 1993. He is portrayed by . • : SKaRD's giant kaiju-type robot nicknamed . It is equipped with the charged particle cannon in its mouth, the autocannons on each hand, and the five-cell on its tail.
Minor characters • : A reporter of television station TKB. She is portrayed by . • : A physicist at the . He is portrayed by . • : Gento Hiruma's wife of his age. In
Ultraman Blazar the Movie: Tokyo Kaiju Showdown, she is pregnant with her second child. She is portrayed by . • : Gento's 7-year-old son. He is portrayed by . • : The CEO of the major chemical company who used to be in GGF Chemical Department until 18 years ago. He is portrayed by . • : Anri Minami's childhood friend who lives in her hometown. She is portrayed by . As a child, she is portrayed by . • and : Directors of TKB. They are portrayed by and , respectively. • : A leading kaiju researcher, a former GGF Academy professor, and Gento's former teacher from school. He is portrayed by . As a child, he is portrayed by . • : The former director of GGFJ and the former manager of who is revealed to be the orchestrator of the V99 conspiracy that occurred in 1999. He is portrayed by . • and : Jun Hiruma's classmate and his younger sister, respectively. They are portrayed by and , respectively. • : An astrophysicist and former teammate of Tatsuki Aobe. He is portrayed by . • and : Teruaki Nagura's father and older brother, respectively, and farmers. They are portrayed by and , respectively. • : A kaiju damage insurance agent. He is portrayed by . • : A homeowner Tetsuo Suzuki pitches a sales to. She is portrayed by . • : A 27-year-old amateur astronomer. He is portrayed by . • : A chemist and the CEO of the advanced chemical company . He is portrayed by . • : Ichiro Mabuse's only son and a prodigy who causes an incident under the identity of a fictitious alien, . He is portrayed by . As a 6-year-old child, he is portrayed by . • : A Necromass employee who works as an industrial spy for another company. He is portrayed by .
Monsters and aliens • : An alien monster sent by an alien race codenamed the V99. • : • : • : • : • : Herbie is voiced by , and their race first appeared in episode 24 of
Ultraseven. • : An very powerful monster that was revered as a deity in ancient times. In the present it was used to reset the humanity. • : First appeared in episode 13 of
Ultra Q. • : Aliens who assume the human identities of , , , and . They are portrayed by , , , and , respectively, and their race first appeared in episode 16 of
Ultra Q. • : First appeared in episode 1 of
Ultraman X. • : • : An alien monster sent by the V99. • : • : First appeared in episode 15 of
Ultraman. • : • : He is voiced by . • : He is voiced by . • : She is voiced by . • : A
ronin from outer space who was slain by Zamsher in a duel long ago. However, as a spirit, he is given a redemption mission to slay 100 monsters' souls. He is portrayed by . • : First appeared in episode 16 of
Ultraman Mebius. • : The larval form of Brood Gebalga which has the ability to emit toxic gas from its mouth. • : An alien monster sent by the V99. • : A phoenix-like monster whom Blazar fuses with to achieve his armored form, Firdran Armor. • : • : • : First appeared in episode 25 of
Ultraman. • : First appeared in episode 25 of
Ultraman. • : The final antagonist of the series and an alien monster sent by the V99. The monsters on Earth launched an attack on it as a response to its arrival at the series' climax. • : First appeared in episode 19 of
Ultraseven. • : First appeared in episode 3 of
Ultraseven. • : First appeared in episode 48 of
Ultraseven. • : First appeared in episode 3 of
Ultraseven. • : First appeared in episode 48 of
Ultraseven. • : First appeared in episode 28 of
Ultraman. ;Film-exclusive • : ;Manga-exclusives • : First appeared in episode 40 of
Ultraman Taro. • : • : First appeared in
Great Decisive Battle! The Super 8 Ultra Brothers. • : First appeared in episode
Great Decisive Battle! The Super 8 Ultra Brothers. • : First appeared in episode 4 of
Return of Ultraman. • : First appeared in episode 14 of
Ultraseven. ==Episodes==