We love L.A. Randy Newman famously gave us the melody for that phrase. For more than 100 years, Los Angeles has been the entertainment capital of the world — a city of dreamers, creators and innovators. But now, our city needs help.

As someone who works in this industry, I’ve seen first-hand the impact of our community’s creativity and resilience. But recently, we all experienced something that shook us to our core. While I was out of the country shooting in Ireland, I felt helpless as my family back in Los Angeles was caught between two raging wildfires, evacuating with so many others as we waited to find out if our home was still standing. Mercifully, it was, but countless dear friends wound up losing everything. Entire communities were reduced to ash, along with the homes, dreams and life’s work of thousands.

It was the most helpless feeling I...