Hyperspace Boy Wonder Seven

Takumi Saitoh

Jun

Asumi Nakada

Mayumi

Masaki Tachi

Dr. Garigolin

Yusuke Numata

Jun / Wonder Seven (voice)

Tomoko Kawakami

Mayumi (voice)

Shigeru Chiba

Dr. Garigolin / Narrator (voice)

Wasabi Mizuta

Kechompa (voice)

Ryuuzaburou Ootomo

Kirugoa (voice)

Seizo Kato

Wonder Stick (voice)

Tomohiro Nishimura

Wonder Blaster (voice)

Keita Amemiya

Director

Takashi Mitsuura

Writer

Naomi Enami

Producer

Tetsu Kayama

Producer

Kōichi Ōta

Original Music Composer

Shinji Kinoshita

Original Music Composer

Nanairo Shounendan

Theme Song Performance