Christopher Sean Ken Sato / Ultraman (voice) Gedde Watanabe Professor Sato / Ultradad (voice) Tamlyn Tomita Mina / Emiko Sato (voice) Keone Young Dr. Onda (voice) Frank Buckley Announcer / Additional Voices (voice) François Chau Itow-san / Additional Voices (voice) Artt Butler Coach Shimura / Additional Voices (voice) Mayumi Yoshida TV Reporter (voice) Julia Kato Umpire #3 (voice) Brittany Ishibashi Mrs. Onda / Additional Voices (voice) Lee Shorten Captain Aoshima (voice) Jonathan Groff Bunny (Ollie) (voice) Masa Kanome Umpire #4 (voice) Vic Chao Additional Voices (voice) Paul Nakauchi Additional Voices (voice)