- Taiyô Sugiura
- Musashi Haruno / Ultraman Cosmos
- Daisuke Shima
- Captain Harumitsu Hiura
- Kaori Sakagami
- Shinobu Mizuki
- Hidekazu Ichinose
- Keisuke Fubuki
- Kôichi Sudô
- Koji Doigaki
- Mayuka Suzuki
- Ayano Haruno
- Hidekazu Akai
- Yujiro Haruno
- Yasufumi Hayashi
- Tsutomu Sasaki
- Kôji Ishizaka
- Narration
- Nobuyuki Kase
- Officer Kanou
- Shingo Kazami
- Member Kido
- Ryô Kinomoto
- Vice-president Kinozaki
- Masatoshi Matsuo
- Alien Gyashi Jun
- Kôji Nakamura
- Member Makabe
- Miho Nishimura
- Adult Mari Kawase
- Ryou Nitta
- Shoji
- Rowena Ogo
- Rita
- Akitoshi Ohtaki
- Staff Officer Hijikata
- Mai Saito
- Alien Gyashi Shau
- Risa Saitô
- Member Hyuga
- Kyûsaku Shimada
- Commander Inugai
- Aya Sugimoto
- Reporter
- Mio Takaki
- Councillor Akagi
