In Erin Brockovich When Julia Roberts is in a restaurant with her kids the real appears cameo as?

The real Erin Brockovich does not make a cameo appearance in the movie *Erin Brockovich*.

While the film is based on a true story, the character of Erin Brockovich is played by Julia Roberts. The real Erin Brockovich was involved in the production of the film, serving as a consultant and working on the script.