Yolei and Ken getting married in the future was attributed to their voice actors Rio Natsuki and Romi Park getting along well during production.
In Latin Spanish dubbing, Cristina Hernández did not return to give voice to Kari Kamiya, Gatomon and Angewomon, after of giving a voice to Sakura Kinomoto in Cardcaptor Sakura (1998), on the same studio Intertrack, she not was contacted and was replaced by Tamara Guzmán, the same who gives voice to Yuko Kamiya, the mom of Tai and Kari.