Kyoko Mori

Misao Hayashi (Tomoyuki's fiancée)

Shin Tokudaiji

Hachiro (portrait artist)

Fuyuki Murakami

Magazine journalist A

Seijirô Onda

Matsushima, a private detective

Ren Yamamoto

Suzuki, a student

Ichirō Chiba

Yaeko Izumo

Keiichirō Katsumoto

Doctor

Kenzo Echigo

Miyoshi, a student

Bunta Sugawara

Nakagawa, a student

Wataru Ōmae

Student B