The Red Thread

Nishino Atsush

Takemiya Mei

Takahashi Riku

Yamagishi Mia

Nakagawa Sara

Inoue

Takemiya Mei (young)

Ishikawa Haruo

Tadokoro Mami

Kawaguchi Miyabi

Nishino Natsumi

Shinozaki Yuya

Murakoshi Koichi

Morisaki Takamichi

Fujiwara Natsuki

Takemiya Haruna

Takemiya Toshihisa

Nishino Atsushi (young)

Yasuda Shu

Dr. Ota

Ishikawa Machiko

Ai-chin

Acting