How did Johnny started his acting career

He was friends with Nicholas Cage, and was asked to read the Nightmare on Elm street script for another person, but they ended up giving him the part of Glen Lantz, and the rest is history :D

He also originally started out in a music career. He was in a band called The Kids.

Nicoles Cage sudjested he try acting. He thought Johnny world do good at it, and the rest is history