The Invisible Guest is a 2016 Spanish mystery thriller film directed and co-written by Oriol Paulo. It stars Mario Casas alongside Bárbara Lennie, José Coronado, and Ana Wagener. It was released in Spain on 6 January 2017. The film opened to lukewarm critical response and finished with a modest domestic box office, but later found its popularity in the international market of China where it topped $25 million in box-office earning. The film was a commercial success, grossing $31 million worldwide against its €4 million budget.