Tetsu Kayama

Career overview

Subject: Tetsu Kayama (Acting).
Goal: 180-260 word career overview.
Format: 2-3 short paragraphs, plain prose, no markdown, no headings, no preamble.
Constraints: Use only provided facts. No inventions. No guessing.
Name: Tetsu Kayama (加山 徹, Kayama Tetsu).
Real Name: Tetsuo Ikehata (池端 徹大, Ikehata Tetsuo).
Former Stage Name: Tetsuo Yamashita (山下 徹大, Yamashita Tetsuo) - changed on January 18, 2019.
Born: August 8, 1975.
Birthplace: Kanagawa Prefecture, Japan (also mentioned as Tokyo in some sources, but Kanagawa is specific).
Profession: Japanese actor.
Affiliations: Office Joe Shishido (Sources 1, 3, 4), Grand Slam (Source 6).
Known for: Aibou: Tokyo Detective Duo (2000).
Credits: 15 known credits (Source 1).
TV Show Appearances:
Tokusou 9 (TV Asahi, 2018, ep10)
Mayonaka no March (WOWOW, 2007)
Cupid no Itazura (TV Tokyo, 2006)
Imo Tako Nankin (NHK, 2006)
Family (Source 6): Father is actor Kayama Yuzo, mother is actress Matsumoto Megumi, younger sisters are actresses Azusa Mayuko and Ikehata Emi.
Height: 172cm.
Paragraph 1: Identity and Background.
Tetsu Kayama, born Tetsuo Ikehata on August 8, 1975, is a Japanese actor. He was born in Kanagawa Prefecture. On January 18, 2019, he changed his stage name from Tetsuo Yamashita to Tetsu Kayama. He is affiliated with Office Joe Shishido and Grand Slam. His family includes actor Kayama Yuzo, actress Matsumoto Megumi, and actresses Azusa Mayuko and Ikehata Emi. He stands 172cm tall.
Paragraph 2: Career/Credits.
Kayama has 15 known credits in his acting career. He is known for his work in Aibou: Tokyo Detective Duo, which dates back to 2000. His television appearances include an episode of Tokusou 9 on TV Asahi in 2018, Mayonaka no March on WOWOW in 2007, Cupid no Itazura on TV Tokyo in 2006, and Imo Tako Nankin on NHK in 2006.
Current word count check:
Para 1: ~65 words.
Para 2: ~60 words.
Total: ~125 words.
Constraint Check: I need 180-260 words. I must expand using only the provided facts.
Wait, how to expand without inventing? I can be more descriptive about the details provided. I can list the names and affiliations more thoroughly.
Draft 2:
Tetsu Kayama, also known as Kayama Tetsu, is a Japanese actor born on August 8, 1975. His real name is Tetsuo Ikehata. He was born in Kanagawa Prefecture. Before January 18, 2019, he performed under the stage name Tetsuo Yamashita. Kayama is affiliated with the talent agencies Office Joe Shishido and Grand Slam. He is the son of actor Kayama Yuzo and actress Matsumoto Megumi, and he has younger sisters who are actresses, Azusa May