Mário Barroso was born in 1947 in Lisbon, where he completed high school. Then, he studied Theatre and Directing at INSAS, in Brussels. In 1976 he graduated, with honors, with a degree in Directing and Image from I.D.H.E.C. - Institut Des Hautes Etudes Cinématographiques, where years later he became a lecturer.
Alongside his passion for film, he worked as translator and host of the show “Les grands moments de la musique française” (1970/74), journalist, producer at R.F.I, and correspondent for the daily Portuguese newspaper República (1970/74) in Paris.
With over four decades of his career devoted to the seventh art, he also participated as an actor in Francisca (1981), O Dia do Desespero / The Day of Despair (1992), and O Velho do Restelo (2014), by Manoel de Oliveira.
He is considered one of the best and most acclaimed Portuguese cinematographers, having worked with renowned directors like Manoel de Oliveira, João César Monteiro, Raoul Ruiz, José Fonseca e Costa, and Jean-Claude Biette, among others.
He has directed short films, documentaries, television shows, television films, and three feature films: O Milagre Segundo Salomé / The Miracle According to Salomé (2004), an adaptation of the homonymous novel by José Rodrigues Miguéis that was extraordinarily well received by critics and the general public; Um Amor de Perdição / Doomed Love (2009), which was selected in various international film festivals; and, now, Ordem Moral / Moral Order (2020).