Kingo Gondo

Chief Detective Tokura

Reiko Gondo

Kawanishi, Gondo's secretary

Detective Arai

Chief Detective 'Bos'n' Taguchi

Detective Nakao

Chief of Investigation Section

Kamiya, National Shoes Publicity Director

Ishimaru, National Shoes Design Department Director

Baba - National Shoes Executive

Ginjirô Takeuchi - Medical Intern

First Reporter

Factory Worker

Prison Warden

Aoki - the Chauffeur

Shinichi Aoki

Jun Gondo

Second Reporter

First Creditor

Chief of First Investigating Section

Junkyard Cook

Detective Murata

Third Reporter

Chief Physician