あの日見た花の名前を僕達はまだ知らない。

入野自由
Jinta "Jintan" Yadomi (voice)

茅野愛衣
Meiko "Menma" Honma (voice)

戸松遥
Naruko "Anaru" Anjou (voice)

櫻井孝宏
Atsumu "Yukiatsu" Matsuyuki (voice)

早見沙織
Chiriko "Tsuruko" Tsurumi (voice)

近藤孝行
Tetsudou "Poppo" Hisakawa (voice)

小形満
Atsushi Yadomi (voice)

水原薫
Haruna (voice) / Satoshi Honma (voice)

豊崎愛生
Poppo (child) (voice)

牧野由依
Aki (voice)

緒乃冬華
Irene Honma (voice)

田村睦心
Jintan (child) (voice)

瀬戸麻沙美
Yukiatsu (child) (voice)

大原さやか
Toko Yadomi (voice)

興津和幸
Schoolboy (voice) / Student (voice) / (voice) / Man A (voice)

松岡禎丞
(voice) / Boy A (voice) / Schoolboy (voice) / Student (voice)

斉藤貴美子
Naruko's Mother (voice)

保村真
Manabu Honma (voice)

間宮康弘
Yama (voice)

金光宣明
Shop Manager (voice)