Kyoko Aoyama
Chisako Hosokawa (art student)
Machiko Kitagawa
Yoshiko Hosokawa (Chisako's elder sister)
Sachiko Murase
Shizu Ube (Saiki's aunt)
Shin Tokudaiji
Hachiro (portrait artist)
Eitarō Ozawa
Tatsunari Ube (Saiki's uncle & professor)
Fuyuki Murakami
Magazine journalist A
Seijirô Onda
Matsushima, a private detective
Ren Yamamoto
Suzuki, a student
Yoshiko Miyata
Miss Saeko
Kumeko Otowa
Keiichirō Katsumoto
Doctor
Bunta Sugawara
Nakagawa, a student
Wataru Ōmae
Student B