Towa no Quon 4: The Roaring Anxiety (2011)

Kohsuke Toriumi

Shun Kazami (voice)

Hiroshi Kamiya

Quon Mitsuchi (voice)

Ryoko Shiraishi

Yuriko Akatsuki (voice)

Jouji Nakata

Alpha (voice)

Minako Kotobuki

Hizuru Asuka (voice)

Teruyuki Tanzawa

Beta (voice)

Kenta Miyake

Gamma (voice)

Saori Hayami

Kiri Jougasaki (voice)

Shin-ichiro Miki

Genji Kamishiro (voice)

Toru Okawa

Seiji Kannazuki (voice)

Chiaki Omigawa

Miu (voice)

Tatsuhisa Suzuki

Ryou (voice)

Kaori Nazuka

Tei Ryumonji (voice)

Miyu Irino

Takao (voice)

Sanae Kobayashi

Wakatsuki (voice)

Mikako Komatsu

Yuma (voice)