Daniel Yergin is a renowned energy expert and author, rather than a film actor. He is best known for his work on global energy markets and policy. Yergin co-founded Cambridge Energy Research Associates and is vice chairman of S&P Global. He gained prominence with his Pulitzer Prize-winning book "The Prize: The Epic Quest for Oil, Money, and Power," which was later adapted into a documentary series. He continues to be a prominent voice in discussions on energy and geopolitics.