In order, left to right:
Chunk, Jeff Cohen, is an entertainment attorney in LA.
Mikey Walsh, Sean Astin, was a featured player in Stranger Things Season 2 and a tiny trilogy called Lord of the Rings.
Mouth, Corey Feldman, grew up to be a teen idol in the 80’s. He continues his career as a singer and songwriter.
Data, Jonathan Key Huy Quan, also recognizable from Indiana Jones and the Temple of Doom, works behind the scenes as a stunt coordinator and stunt rigger.