Mario Castañeda and Arturo Castañeda (the voice actors of Goku and Whis, respectively) are father and son, making their relationship in the movie somewhat Hilarious in Hindsight.Real-Life Relative: In the Latin American Spanish dub:.Promoted Fanboy: Band FLOW (who performed the film's themes) and Shoko Nakagawa (voice of the Oracle Fish) were all fans of the series growing up.Ernesto Lezama voices Old Kai because of his original VA Enrique Mederos's death.Since Mai and Shu were regressed to children at the start of the film, Susana Moreno and Miguel Ángel Leal provide their respective voices instead of their original actors, Carola Vázquez and Ricardo Hill.Miguel Ángel Sanróman provides the voice of Master Roshi as Jesús Colín retired from acting and moved to Acapulco in 2005 before dying of natural causes six years later.Héctor Lee provides the voice of King Kai, after Ricardo Hill (who dubbed him until the end of the Cell Saga) and José Luis McConnell (who dubbed him in the Buu Saga and Dragon Ball GT).