Tomoyuki Saiki (college student)
Chisako Hosokawa (art student)
Yoshiko Hosokawa (Chisako's elder sister)
Misao Hayashi (Tomoyuki's fiancée)
Shizu Ube (Saiki's aunt)
Hachiro (portrait artist)
Tatsunari Ube (Saiki's uncle & professor)
Magazine journalist A
Matsushima, a private detective
Apartment resident
Suzuki, a student
Miss Saeko
Doctor
Miyoshi, a student
Nakagawa, a student
Student B
Student A
Laborer B