Mario Casas Biography

Mario Casas also goes by the name Mario Casas Sierra is a Spanish actor famously known for his portrayals in the movies like Cross the line, lies and party, brain drain, and many television shows like Paco’s men. He is well-known and renowned in the Spanish film industry and has had a successful acting career.

Early Life

Mario was born on 12th June 1986 in La Coruna, Galicia, Spain. He was born to teenage parents Heidi and Ramon when they were around 17 to 19 years old. He is known to have four siblings and is the eldest of all. His younger sister Sheila was born a year and a half later his birth and he is very close to her as they grew up together. He has two brothers Oscar and Christian about whom he has not shared much but is known to be really close to them and considers them his confidants. His father worked as a carpenter and his mother was a housewife. He is known to have moved to Madrid when he was 18 to explore and was followed by his family.

They later settled down in Madrid and in 2014, his youngest sibling Daniel was born. Mario is currently 34 years old. Mario has not shared much about his early education but it is known that he completed his high school education at a local school in Barcelona. He later realized he wanted to become an actor and decided to enroll in Cristina Rota School of Dramatic Arts. Mario trained to become an actor at the institution although, there is no insight available about his qualifications.

Mario Casas Career

He started his career after high school with advertisements. Mario started appearing in print and commercial advertisements for brands like Coca-cola, Scalextric, and Telepizza. He then decided to become an actor and trained at a prestigious institution. His first ever role as an actor was in the year 2005 when he got a role in the daily soap opera Motivos Personales. He started appearing in shows like Obsession, Mujeres, and SMS to name a few. He also got his first-ever role in a movie named Summer rain in 2006 and came to the attention of people in the industry and was praised by viewers. His career took off in 2009 when he appeared in the movie Brain drain for which he received several nominations and also won many of them.

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The same year, he also starred in the movie Sex, Lies, and Party. Both the films were great hits at the box office and received various awards.  he subsequently starred in various hit films like Three steps above heaven, Neon Meat, I Want you, and The Witches of Zugarramurdi. He also appeared in short films like Easy money and Fear in 2010. In 2011, he joined the cast of the show The Boat and appeared in the show till it wrapped up in 2013. He also continued appearing as Aitor Carrasco in the show Paco’s Men till 2010. In 2018, he appeared in the movie The Mauthausen as a Spanish photographer during world war II and had to lose 12 kgs for the role.

In the more recent years, he appeared in the movie Adios (2019), The Paramedic (2020), The occupant (2020), and cross the line (2020) to name a few. He appeared in a Netflix original crime thriller mini-series The Innocent in 2021 and played the role of Mateo Vidal. Mario has recently announced that he is set to re-appear in the role of Aitor Carrasco in the upcoming 10th season of Paco’s Men. He also won the Best Actor award at the 35th Goya awards and Gaudi awards for his performance in the movie Cross the line.

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Social Media

Mario is highly active on social media platforms. On his Instagram account, he currently has 6.6million followers where he likes to share pictures from his photoshoots, promotions for his movies and roles, pictures with friends, family and about his daily life experiences. He also has a Twitter account since 2010 and currently has 1.7million followers. On his Facebook page, he currently has a reach of 8.9 million people.

Mario Casas Biography

Real Name Mario Casas Sierra
Birth Date June 12, 1986
Age (as of 2021) 34 Years
Birth Place La Coruna, Galicia, Spain
Nationality Spanish
Profession Actor
Religion Christianity
Sun sign Gemini

Physical Statistics

Height in feet inches – 5’ 11” – in Centimeters – 180 cm
Weight in Kilograms – 81kg  –  in Pounds –  179 lbs
Chest Size 42 Inches
Waist Size 32 Inches
Biceps Size 17 Inches
Shoe Size 10 (U.S.)
Hair Color Black
Eye Color Dark Brown
Body Type Slim


Father Ramon Casas
Mother Heidi Sierra
Sister One (Sheila)
Brother Three (Christian, Daniel & Oscar)


College Cristina Rota School of Dramatic Arts

Relationship Status

Marital Status In Relation
Affair Yes
Is he Gay? No
Who is his Girlfriend? Deborah Francois

Personal Life

Mario has not shared much about his personal life but he is known to be in a relationship with Belgium actress Deborah Francios. The couple started dating recently in the year 2020 but have not shared anything about how they met and exactly when they started dating. Mario is known to have dated a few other celebrities over the years. his previous relationship was with actress Blanca Suarez but the two broke up in 2019.

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Mario also dated Berta Vazquez a few years earlier in 2014 and always known to be flirty and even had a girlfriend when he was just 4 years old. He is really close to his family and friends and still keeps in touch with his schoolmates. Mario likes to dance, sing and play sports like football and ping pong.  He is known to be best friends with actor Yon Gonzalez and the two also starred in the movie Sex., Lies, and Party together.

Mario Casas Net Worth

Mario has been working as an actor since 2005 and has been highly active in his career. he has worked in several hit and successful movies and television shows. He has worked hard over the years to build himself a lavish lifestyle. He has majorly sourced his income through his career as an actor and his net worth as of 2021 is estimated to be around $ 3.5million.


  • He considers his youngest brother Daniel as a nephew because of the huge age difference between them.
  • He is a great tattoo enthusiast and has the initials of all his family members engraved as a tattoo on his body.
  • In 2009, he received his first award at the Zaragoza film festival of Best young talent for the movie Brain drain and again received it the following year for the movie three steps above heaven.
  • He also won the Lesgaicinemad Festivals award for his movie Sex, Lies, and Parties in 2009.
  • He has received the Feroz award thrice, once in 2014 for the movie The witches of Zugarramurdi, again in 2016 for the movie My Great Night, and more recently in 2021 for the movie Cross the line.

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