Mamoru Miyano
Rintaro Okabe (voice) (24 eps)
Asami Imai
Kurisu Makise (voice) (24 eps)
Kana Hanazawa
Mayuri Shiina (voice) (24 eps)
Tomokazu Seki
Itaru Hashida (voice) (24 eps)
Yukari Tamura
Suzuha Amane (voice) (24 eps)
Haruko Momoi
Faris Nyan-Nyan (voice) (24 eps)
Yu Kobayashi
Luka Urushibara (voice) (24 eps)
Saori Goto
Moeka Kiryuu (voice) (12 eps)
Masaki Terasoma
Yuugo Tennouji (voice) (11 eps)
Ayano Yamamoto
Nae Tennouji (voice) (7 eps)
Hiroko Ushida
Clerk (voice) (6 eps)
Takayuki Saito
Man (voice) (5 eps)
Hiroshi Tsuchida
John Titor (voice) (4 eps)
Katsunori Kobayashi
Announcer (voice) (4 eps)
Naoko Sakakibara
Newscaster (voice) (3 eps)
Mitsuru Ogata
Dr. Nakabachi (voice) (3 eps)
Takuya Sato
Guest B (voice) (3 eps)
Takahito Soda
Rounder (voice) (3 eps)
Taira Kikumoto
Yukitaka Akiha (voice) (2 eps)
Kouji Takeda
Clerk (voice) (2 eps)
Masaaki Itatori
Rounder (voice) (2 eps)
Toa Yukinari
Mother (voice) (2 eps)
Mai Hirano
Boy (voice) (2 eps)
Manabu Sakamaki
Street Vendor (voice) (2 eps)
Mariko Honda
Maid (voice) (2 eps)
Ikumi Hayama
Maid (voice) (1 eps)
Mitsuaki Hoshino
Eisuke Urushibara (voice) (1 eps)
Daiki Soeda
Man (voice) (1 eps)
Shinya Fukumatsu
Butler (voice) (1 eps)
Iori Nomizu
Maid (voice) (1 eps)
Naoki Koshida
Police Officer (voice) (1 eps)
Yukiko Mizuno
Hall Announcer (voice) (1 eps)
Minoru Shiraishi
4℃ (voice) (1 eps)
Yuki Ono
Viral Attacker (voice) (1 eps)
Yukiko Aiba
Maid (voice) (1 eps)
Shohei Yamaguchi
Police Officer (voice) (1 eps)
Yohei Ohbayashi
Office Worker (voice) (1 eps)
Izumi Sawada
Tenant (voice) (1 eps)