Mario Casas

Mario Casas Sierra (born 12 June 1986) is a Spanish film and television actor. Known for his roles in Spanish cinema and television, he has received various accolades including a Goya Award, two Gaudí Awards, and three Feroz Awards.

In 2006, after featuring in minor credits in Motivos personales and Obsesión, Casas landed his first television main role in the teen drama SMS: Sin Miedo a Soñar and also debuted in the big screen in Summer Rain.

Casas' leading performance in Cross the Line (2020) earned him his first Goya Award for Best Actor. He made his debut as a director with Caged Wings (2023). He received renewed industry recognition for his leading role in Away (2025).

Early life and education Casas was born in A Coruña to a 19-year-old father (an ébéniste) and a 17-year-old mother. He moved to Barcelona at the age of 4. After featuring as a child actor in some commercials (Cola Cao, Scalextric, Telepizza), he moved to Madrid at age 17−18 with his family, going on to combine odd jobs with acting training at the Cristina Rota acting school. Mario Casas began his acting career with episode appearances in television series Obsesión (English: Obsession), Motivos personales (Personal Motives) and Mujeres (Women). He came to domestic media attention with his film debut in the 2006 film El camino de los ingleses (Summer Rain), directed by Antonio Banderas.

That same year he joined the cast of LaSexta series SMS. Casas then reached international audience as Aitor Carrasco in the Antena 3 series Los hombres de Paco (Paco's Men), which he starred from 2007 to 2010.

In 2009, Casas appeared in two hit films, Fuga de cerebros (Brain Drain) opposite Amaia Salamanca, and Mentiras y Gordas (Sex, Party and Lies) with his best friend Yon González, Ana Maria Polvorosa, Ana de Armas and Hugo Silva. Both managed to lead the box office over the weekend of its release. In 2010, Casas starred in Carne de neón (Neon Flesh) directed by Paco Cabezas. Later that year in December 2010, he starred in Tres metros sobre el cielo (Three Steps Above Heaven) opposite María Valverde. It was eventually the highest-grossing Spanish film of the year. A sequel Tengo ganas de ti (I Want You), which stars Casas, Valverde and Clara Lago, premiered in 2012. He also appeared in Miedo (2010), directed by Jaume Balagueró.

2011–present: Career expansion and further acclaim

Since 2011, Casas has starred the Antena 3 series El barco (The Boat), he also starred in Tengo ganas de ti (I Want You), premiered in 2012.

During the late 2013 and early 2014, he went to Colombia and Chile for his second film project in English called Los 33 (The 33) with Antonio Banderas and Juliette Binoche, a story based on the Chilean mining accident that occurred in 2010. In 2015, Mario also starred in two other films: the new Álex de la Iglesia comedy film My Great Night, and also in the romantic drama film Palm Trees in the Snow, where he reunited with the director of the films Three Meters Above The Sky and I Want You, Fernando Gonzalez Molina. In 2016, he performed in Oriol Paulo's mystery thriller film The Invisible Guest which became a commercial success, although the film had opened to mixed critical responses. The film grossed US$3.9 million in Spain and CN¥172.4 million in China. In 2018, Casas starred in The Photographer of Mauthausen which tells the story of Francisco Boix, a Spanish Republican photographer who was sent to the Mauthausen-Gusen concentration camp complex during World War II. Casas lost around 12 kilograms (26 pounds) to play Boix during his imprisonment.

In October 2022, Casas began to shoot his debut as a feature film director, My Loneliness Has Wings, written alongside Deborah François and starring his brother Óscar.

For his leading role playing a foreign man getting on in life in Utrecht in Away (2025), the directorial debut of his coach Gerard Oms, Casas landed another Goya nomination and won the Gaudí Award for Best Actor.

In April 2026, his sophomore directorial effort A puño descubierto (starring Casas and his brother Óscar) began filming.

Personal life Mario Casas is the older sibling of actor Óscar Casas, who has sometimes played younger versions of Mario's characters in some works. Mario Casas is reported to have been in relationships with several fellow castmates including , Amaia Salamanca, María Valverde, Berta Vázquez, Blanca Suárez, and Déborah François.

Filmography Film

+ Year Title Role Notes 2006 El camino de los ingleses (Summer Rain) Moratalla 2009 Mentiras y gordas (Sex, Party and Lies) Toni Fuga de cerebros (Brain Drain) Emilio 2010 Carne de neón (Neon Flesh) Ricky Tres metros sobre el cielo (Three Steps Above Heaven) Hache Tengo ganas de ti (I Want You) Hache Reprise of role in Three Steps Above Heaven 2013 La mula (The Mule) Juan Castro Las brujas de Zugarramurdi (Witching & Bitching) Antonio Ismael Félix 2015 Los 33 (The 33) Álex Vega Eden Felix Mi gran noche (My Great Night) Adanne Palmeras en la nieve (Palm Trees in the Snow) Kilian 2016 Toro Toro Contratiempo (The Invisible Guest) Adrián Doria 2017 El bar (The Bar) Nacho Bajo la piel de lobo (The Skin of the Wolf) Martinón 2018 El fotógrafo de Mauthausen (The Photographer of Mauthausen) Francesc Boix 2020 Hogar (The Occupant) Tomás El practicante (The Paramedic) Ángel No matarás (Cross the Line) Dani 2023 Mi soledad tiene alas (Caged Wings) Director and writer Bird Box Barcelona Sebastián Escape N. El secreto del orfebre (The Goldsmith's Secret) Juan Pablo Molt lluny (Away) Sergio La cena (The Dinner) Teniente Medina Zeta (Agent Zeta) Iago / Zeta Also director

Television + Year Title Role Notes 2005 Motivos personales Cameo Episode: "¿El fin de Victoria Castellanos?" Obsesión Nicolás "Nico" Castillo 7 episodes 2006 Mujeres (Women) Episode 1. Casas appears in a television screen which airs an episode of Obsesión 2006–07 SMS: Sin miedo a soñar Javi Llorens 184 episodes 2007–10; 2021 Los hombres de Paco (Paco's Men) Aitor Carrasco 79 episodes 2011–13 El barco (The Boat) Ulises Garmendia 43 episodes 2018 Paquita Salas Himself Episode: "El secreto" 2019 Instinto Marco Mur Miniseries; 8 episodes 2021 El inocente (The Innocent) Mateo Vidal Miniseries; 8 episodes

Accolades Year Award Category Work Result

14th LesGaiCineMad Festival LesGai Performance Award Sex, Party and Lies

61st Fotogramas de Plata Best Film Actor

Latin ACE Awards Best New Actor

62nd Fotogramas de Plata Best Television Actor El Barco

1st Neox Fan Awards Best Actor in Spanish Cinema I Want You

Best Supporting Actor Witching & Bitching

Best Actor

3rd Feroz Awards Best Supporting Actor My Big Night

26th Forqué Awards Best Actor

8th Feroz Awards Best Actor in a Film

35th Goya Awards Best Actor

13th Gaudí Awards Best Actor