Katsumi Okamoto

1970

• [ ] 30,000 Miles Under the Sea (Screenplay) 

1982

• [ ] 傑作推理劇場 不安な階段 (Screenplay) 

1983

• [ ] Danchizuma no sakebi (Screenplay) 

2001

• [ ] Destination Station Series - Homicide Assignment (Screenplay) 
• [ ] Inspector Muta's Incident Files: Yokohama to Kushiro Field. The Mystery of the Triple Murder That Only Marimo Knows. (Screenplay)