Full cast of Ultraman Decker

Hiroki Matsumoto

Kanata Asumi

25 episodes

Yūka Murayama

Kirino Ichika

25 episodes

Nobunaga Daichi

Ryumon Soma

25 episodes

Sae Miyazawa

Kaizaki Sawa

25 episodes

Masaya Kikawada

Murahoshi Taiji

25 episodes

Hiroshi Tsuchida

HANE2 (voice)

25 episodes

Yu Koyanagi

Yuichiro Asakage/Agams

25 episodes

Raiga Terasaka

Kengo Manaka

5 episodes

Yuui Fujiyama

Laelia

4 episodes

Ikko Suzuki

Daishiro Asumi

3 episodes

Masashi Taniguchi

Decker Asumi

2 episodes

Runa Toyoda

Yuzare / Yuna Shizuma

2 episodes

Sumire Uesaka

Carmeara (voice)

2 episodes

Yasuhiro Kikuchi

Yapool (voice)

2 episodes

Shunya Kaneko

Akito Hijiri

1 episode

Masami Horiuchi

Mayor Hamano

1 episode

Shuri Nakamura

Alien Pitt Yuko

1 episode

Katsuya Takagi

Seiya Tatsumi

1 episode

Koji Nakamura

Grace

1 episode

Haruna Enomoto

Mika

1 episode

Mami Nomura

Maki Shigenaga

1 episode

Mao Ichimichi

Alien Metron Marluru

1 episode

Yuhko Kaida

Alien Metron Nigel

1 episode

Hideyoshi Iwata

TPU Soldier

1 episode

Noriko Tatsu

Nagi Urasawa

1 episode

Makoto Takahashi

Horiuchi

1 episode

Shohei Abe

Yuji Hiyama

1 episode

Sayaka Ohara

Mother Spheresaurus (voice)

1 episode