Brian Cox is fronting a documentary called “How The Other Half Live.”

His investigation will involve both the wealthy class and the impoverished.

Cox said he is afraid of becoming poor again in a short trailer for his documentary.

He said he feels like his wealth would be taken away from him.

Cox said his family became destitute after his father died.

The actor called money his “own personal demon.”

Cox claims wealth is concentrated in the top 1 percent.

According to the Hollywood veteran, money is the tragedy of the world.

Brian Cox earned a Golden Globe award for “Succession.”