Underdeveloped (2023) featured a cast of 22 tracked actors. Of these, 16 (100%) are still alive today. The oldest surviving cast member is Michael Krause, age 70. This TV series starred Thomas Ian Nicholas and Tom Arnold.
100% still with us· verified cast73% of full cast · incl. 6 unverified
Survivorship
Cast Reunion Index: 100% still living
Cast22 members
| Person | Character | Status | DOB | Age | DOD | Age in 2023 |
|---|---|---|---|---|---|---|
| Joe | Living | 10/07/1980 | 46 | — | 43 | |
 Tom Arnold Ralph | Ralph | Living | 06/03/1959 | 67 | — | 64 |
Brian A. Metcalf Stan | Stan | Unverified | — | — | — | — |
Kelly Arjen Livy | Livy | Unverified | — | — | — | — |
 Mark Pellegrino Nader | Nader | Living | 09/04/1965 | 61 | — | 58 |
 David Henrie Ted | Ted | Living | 11/07/1989 | 37 | — | 34 |
 David Koechner Brent Arnold | Brent Arnold | Living | 24/08/1962 | 64 | — | 61 |
 Samm Levine Karl | Karl | Living | 12/03/1982 | 44 | — | 41 |
 Shelley Regner Georgina | Georgina | Living | 21/12/1988 | 37 | — | 35 |
 Lulu Jovovich Drew | Drew | Unverified | — | — | — | — |
 Jaret Reddick Narrator | Narrator | Living | 06/03/1972 | 54 | — | 51 |
Brad Williams Dr. Schwartzenheimer | Dr. Schwartzenheimer | Unverified | — | — | — | — |
 Madi Monroe Jenny | Jenny | Living | 27/01/2004 | 22 | — | 19 |
 James Di Giacomo Freddy | Freddy | Living | 16/04/1986 | 40 | — | 37 |
 Morgan Harvill Budd Night | Budd Night | Unverified | — | — | — | — |
 Jason Faunt Freckles | Freckles | Living | 20/11/1974 | 51 | — | 49 |
 Nolan River Gordon | Gordon | Living | 20/10/2011 | 14 | — | 12 |
 Luke Edwards Johnny Darrow | Johnny Darrow | Living | 24/03/1980 | 46 | — | 43 |
Michael Krause Marion | Marion | Living | 01/01/1956 | 70 | — | 67 |
Bella Cruz Holly | Holly | Unverified | — | — | — | — |
| Meg | Living | 26/03/1994 | 32 | — | 29 | |
 Charlene Amoia Pam Chowder | Pam Chowder | Living | 25/09/1982 | 43 | — | 41 |
