Philosophy of a Knife

Tomoya Okamoto

The Officer #2

Elena Probatova

The Favorite Girl

Anatoly Protasov

Himself

Tetsuro Sakagami

The Officer #1

Artem Seleznyov

The Frostbite Experiment Man

Victor Silkin

The Old Surgeon

Dmitriy Skripnik

The Captured Airplane Pilot

Alyona Strebkova

The Dental Torture Girl

Anna Subbotina

The Insect Experiment Girl

Stephen Tipton

Historical Commentary (voice)

Irina Zenkina

The Syphilis Experiment Girl

Yukari Fujimoto

The Female Nurse #1

Manoush

The Female Nurse #1 (voice)

Yumiko Fujiwara

The Female Nurse #2

Masaki Kitagava

The Female Nurse #3

Reiko Niakawa

The Female Nurse #4

Irina Nikitina

The Pregnant Girl