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