Francis Joseph Underwood is a fictional character and the protagonist of the American adaptation of House of Cards, portrayed by Kevin Spacey. He is depicted as a ruthless politician who rises from United States House of Representatives majority whip to president of the United States through treachery, deception and murder. He is based on Francis Urquhart, the protagonist of the British novel and television series House of Cards, from which the American Netflix series is drawn. He is married to Claire Underwood, and also had a sexual relationship with Zoe Barnes in season 1. He made his first appearance in the series' pilot episode, "Chapter 1".

Kevin Spacey Fowler is an American actor. Known for his work on stage and screen, he has received numerous accolades, including two Academy Awards, a BAFTA Award, a Golden Globe Award, a Tony Award, and two Laurence Olivier Awards. Spacey was named an honorary Knight Commander of the Order of the British Empire in 2015.