Guyver: The Bioboosted Armor is a Japanese anime series based on the long-running manga series Bio Booster Armor Guyver written by Yoshiki Takaya. It adapts chapters 1-60 of the manga. The production was done in association with ADV Films and Kadokawa Shoten. It is a remake of The Guyver: Bio-Booster Armor, a 12-part OVA that aired in Japan from 1989 until its discontinuation in 1992, having adapted volumes 1–4. The remake is a closer adaptation of the manga and aired from August 6, 2005, to February 18, 2006.

Kenji Nojima is a Japanese voice actor and singer affiliated with the voice talent agency Aoni Production. His first major role in voice-over was Spark in the Record of Lodoss War: Chronicles of the Heroic Knight series. He voiced Hikaru Ichijyo in a number of Macross-related video games in the 2000s. Other major roles include Yuto Kiba in High School DxD, Jade in Ultimate Muscle, Nobuchika Ginoza in Psycho-Pass, Keisaku Sato in Shakugan no Shana, Taihei Doma in Himouto! Umaru-chan, Yuna Roma Seiran in Mobile Suit Gundam SEED Destiny, Hazard/Submarine Robo in Sortie! Machine Robo Rescue, Prince Cayenne in Lady Jewelpet, Mamoru Chiba/Tuxedo Mask in Sailor Moon Crystal, Fumito Nanahara in Blood-C, and Masaki in Time of Eve. He is the son of Akio Nojima and is the younger brother of Hirofumi Nojima. He married Chie Sawaguchi in 2004 and has two children. Their eldest son, Touya Nojima, started working as an actor and voice actor since 2020.