Born in A Coruña, Spain, in 1984, Simón Casal is an acclaimed director and screenwriter known for blending historical narratives with pressing contemporary ethical issues. He began his career in various technical roles, including camera work and project development. He gained significant recognition for his 2011 directorial debut, the TV movie Eduardo Barreiros, el Henry Ford español, which won the Grand Jury Prize for Best TV Movie at WorldFest-Houston. He transitioned to theatrical features with the 2015 WWII thriller Dirty Wolves (Lobos Sucios), which explores the history of tungsten mining in Galicia.

Casal is also a prolific documentarian whose work frequently centers on social justice and historical memory. His notable projects include the Netflix-distributed documentary The Gourougou Trial (2022), which follows a landmark legal battle over migrant rights at the Spanish border, and the high-rated historical series The Swebian Kingdom of Galicia (2019).

His most recent work, the 2024 political thriller Artificial Justice (Justicia Artificial), confronts the controversial use of AI in the judicial system and was featured at major events like the San Sebastián International Film Festival. Currently, he is developing the international series The Interregnum, which was recently named Best International Project at the Series Mania Forum 2025.