Kamen Rider Build: Transformation Lessons ~The Laws Of Transformation Are Set!~ (2017) featured a cast of 4 tracked actors. Of these, 4 (100%) are still alive today. The oldest surviving cast member is Katsuya Kobayashi, age 85. This TV series starred Atsuhiro Inukai and Katsuya Kobayashi.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast4 members
| Person | Character | Status | DOB | Age | DOD | Age in 2017 |
|---|---|---|---|---|---|---|
 Atsuhiro Inukai Sento Kiryu / Kamen Rider Build | Sento Kiryu / Kamen Rider Build | Living | 13/06/1994 | 32 | — | 23 |
 Katsuya Kobayashi Build Driver Voice | Build Driver Voice | Living | 27/03/1941 | 85 | — | 76 |
 Eiji Akaso Ryuga Banjo / Kamen Rider Cross-Z | Ryuga Banjo / Kamen Rider Cross-Z | Living | 01/03/1994 | 32 | — | 23 |
 Kensei Mikami Gentoku Himuro / Night Rogue | Gentoku Himuro / Night Rogue | Living | 02/04/1984 | 42 | — | 33 |