Christopher Sean
Ken Sato / Ultraman (voice)
Gedde Watanabe
Professor Sato / Ultradad (voice)
Tamlyn Tomita
Mina / Emiko Sato (voice)
Keone Young
Dr. Onda (voice)
Julia Harriman
Ami Wakita (voice)
Rob Fukuzaki
Game Commentator (voice)
Frank Buckley
Announcer / Additional Voices (voice)
François Chau
Itow-san / Additional Voices (voice)
Robert Yasumura
Kubo-san (voice)
Artt Butler
Coach Shimura / Additional Voices (voice)
Karen Yasumura
Oba-chan (voice)
Mayumi Yoshida
TV Reporter (voice)
Mila O'Malley
Chiho (voice)
Bret Marnell
KDF Flight Control / Additional Voices (voice)
Julia Kato
Umpire #3 (voice)
Brittany Ishibashi
Mrs. Onda / Additional Voices (voice)
Veronica Lapke
Akiko (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)
Jon Ohye
Additional Voices (voice)
Hiro Nakamura
Kenji (voice)