The World of My 17 (2020) featured a cast of 14 tracked actors. Of these, 14 (100%) are still alive today. The oldest surviving cast member is Kim Min-ah, age 35. This TV series starred ARIN and Choi Ye-na.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast14 members
| Person | Character | Status | DOB | Age | DOD | Age in 2020 |
|---|---|---|---|---|---|---|
 ARIN Oh Na-ri | Oh Na-ri | Living | 18/06/1999 | 27 | — | 21 |
 Choi Ye-na Oh Na-ri | Oh Na-ri | Living | 29/09/1999 | 26 | — | 21 |
 Hwang Bo-reum-byeol Im Yoo-na | Im Yoo-na | Living | 21/12/1999 | 26 | — | 21 |
 Yoo Seon-ho Joo Chan-yang | Joo Chan-yang | Living | 28/01/2002 | 24 | — | 18 |
 Kim Do-ah Im Sun-ji | Im Sun-ji | Living | 04/12/2003 | 22 | — | 17 |
 Lee Won-jeong Kwon Seung-ha | Kwon Seung-ha | Living | 14/02/2001 | 25 | — | 19 |
 Han Chae-kyung Seo Mi-rae | Seo Mi-rae | Living | 19/02/1994 | 32 | — | 26 |
 Ryeoun Yoo Jin-hyuk | Yoo Jin-hyuk | Living | 26/08/1998 | 28 | — | 22 |
 Han Ji-hyo Im Sun-ji | Im Sun-ji | Living | 12/07/2004 | 22 | — | 16 |
 Kim Min-ah Kim Soo-bin | Kim Soo-bin | Living | 01/02/1991 | 35 | — | 29 |
 Kwon Hyun-bin Jung Woo-kyung | Jung Woo-kyung | Living | 04/03/1997 | 29 | — | 23 |
 Yang Seo-hyun Oh Yu-rim | Oh Yu-rim | Living | 06/02/1997 | 29 | — | 23 |
 Park Eun-woo Jo Yoo-jung | Jo Yoo-jung | Living | 30/06/2000 | 26 | — | 20 |
| Living | 31/07/1997 | 29 | — | 23 |
