In attendance at the premiere was: Heisei Nobushi Kobushi (平成ノブシコブシ) group members Takashi Yoshimura (吉村崇) and Kenta Tokui (徳井健太) who voice Eric (エリック) and Ishitsubute (イシツブテ) respectively, Reiko Takashima (高島礼子) who voices Mewtwo, Shoko Nakagawa (中川翔子) who voices Nymphia, Rica Matsumoto (松本梨香) who voices Satoshi and Director Kunihiko Yuyama (湯山邦彦). Also in attendance was Ikimono-gakari (いきものがかり) who sing the ending theme song to the movie entitled: Egao (笑顔).
Ikimono-gakari were also one of the acts during the live Ongaku no Hi (音楽の日) broadcast on June 29th, 2013. The first song they performed was the movie 16 ending theme Egao (笑顔).