Christopher Sean

Ken Sato / Ultraman (voice)

Gedde Vatanabe

Professor Sato / Ultradad (voice)

Tamlyn Tomita

Mina / Emiko Sato (voice)

Keone Young

Dr. Onda (voice)

Julia Harriman

Ami Wakita (voice)

Hiro Nakamura

Kenji (voice)

Rob Fukuzaki

Game Commentator (voice)

Frank Buckley

Announcer / Additional Voices (voice)