EGIS (Enterprise of Guard and Investigation Services)

Main article: Kana Sasaki

Kana Sasaki (佐々木 カナ Sasaki Kana) is the 38 year-old president of EGIS, who previously worked as a police officer in External Affairs Division X (外事X課 Gaiji Ekkusu-ka) before leaving her job to establish EGIS. She puts up a rather playful facade but shows a serious attitude when handling an alien cases and is observant of her workers.

Main article: Hiroyuki Kudo

Hiroyuki Kudo (工藤ヒロユキ Kudō Hiroyuki) is the human host of Ultraman Taiga, Ultraman Titas, and Ultraman Fuma, who has a kind personality and strong sense of justice.

Main article: Homare Souya

Homare Souya (宗谷ホマレ Sōya Homare) is a 25-year-old member with a sense of justice and is faithful to any given mission.

He is Hiroyuki's senior and is often angered when Hiroyuki runs off on important missions. As he often takes on dangerous tasks, Homare puts his high physicality to use while partnering with Hiroyuki.

Main article: Pirika Asahikawa

Pirika Asahikawa (旭川 ピリカ Asahikawa Pirika) is a 23-year-old operator of the private security organization EGIS. Pirika is in charge of the cyber-security affairs and other related matters, and is mostly seen operating computers at her dedicated desk, providing technical support to her colleagues Hiroyuki and Homare.

When not assuming the role of EGIS' cyber genius, Pirika can be seen having girlish discussions about diet and fashion with Kana.