AbstractWe estimate gender earnings differentials among Hollywood stars. While this market should be particularly efficient in translating productivity into earnings, we demonstrate an unexplained female earnings gap of over two million dollars a film. Critically, we show that action films drive this gap. Our movie fixed effects estimate a much larger-million-dollar gap among action movies and a smaller statistically insignificant gap among other genres. Within the other genres, the one significant earnings gap is among stars older than 50. We argue that these patterns could reflect “consumer discrimination” but also raise other possibilities.