IQ246: The Cases of a Royal Genius (2016) featured a cast of 27 tracked actors. Of these, 27 (100%) are still alive today. The oldest surviving cast member is Akio Kaneda, age 71. This TV series starred Yuji Oda and Tao Tsuchiya.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast27 members
| Person | Character | Status | DOB | Age | DOD | Age in 2016 |
|---|---|---|---|---|---|---|
 Yuji Oda Sharaku Houmonji | Sharaku Houmonji | Living | 13/12/1967 | 58 | — | 49 |
 Tao Tsuchiya Souko Watou | Souko Watou | Living | 03/02/1995 | 31 | — | 21 |
 Dean Fujioka Kensei | Kensei | Living | 19/08/1980 | 46 | — | 36 |
 Miki Nakatani Tomomi Morimoto | Tomomi Morimoto | Living | 12/01/1976 | 50 | — | 40 |
 Sei Matobu Taneko Imaichi | Taneko Imaichi | Living | 13/10/1976 | 49 | — | 40 |
 Shuntarô Miyao Jiro Yamada | Jiro Yamada | Living | 27/02/1984 | 42 | — | 32 |
 Yua Shinkawa Hitomi Houmonji | Hitomi Houmonji | Living | 28/12/1993 | 32 | — | 23 |
 Masato Yano Takashi Ashikaga | Takashi Ashikaga | Living | 16/12/1991 | 34 | — | 25 |
 Susumu Terajima Kenjou | Kenjou | Living | 12/11/1963 | 62 | — | 53 |
| Living | 31/01/1966 | 60 | — | 50 | ||
| Living | 07/12/1966 | 59 | — | 50 | ||
| Living | 14/10/1970 | 55 | — | 46 | ||
| Living | 27/02/1980 | 46 | — | 36 | ||
| Living | 05/12/1976 | 49 | — | 40 | ||
| Living | 09/06/1979 | 47 | — | 37 | ||
| Living | 13/10/1954 | 71 | — | 62 | ||
| Living | 14/09/1982 | 44 | — | 34 | ||
| Living | 31/08/1990 | 36 | — | 26 | ||
| Living | 27/07/1974 | 52 | — | 42 | ||
| Living | 25/09/1981 | 44 | — | 35 | ||
| Living | 25/03/1977 | 49 | — | 39 | ||
| Living | 14/02/1980 | 46 | — | 36 | ||
| Living | 13/10/1994 | 31 | — | 22 | ||
| Living | 20/03/1987 | 39 | — | 29 | ||
| Living | 08/12/1973 | 52 | — | 43 | ||
| Living | 24/05/1975 | 51 | — | 41 | ||
 Himena Irei Arisa | Arisa | Living | 07/02/2006 | 20 | — | 10 |
