Mario Casas, the Spanish actor known for his roles in various films, discusses a significant transformation in his life as he approaches his 40th birthday. He admits to suffering from an existential crisis that prompted him to quit smoking, stop socializing excessively, and adopt a healthier lifestyle. This shift not only influenced his personal well-being but also his approach to acting, conveying a sense of peace in his current life stage.

In his interview, Casas also touches upon the evolution of the Spanish cinema industry, specifically noting the challenges faced in changing public perceptions, particularly regarding the portrayal of spies. He emphasizes the seriousness of portraying spies in cinema and shares his unique experiences, including interactions with real intelligence agents. This provides insight into the depth of preparation and commitment he puts into his roles, indicating a maturity not just in his craft but in his personal perspective.

As he promotes his upcoming film 'Zeta', which is set to premiere on Prime Video, Casas reflects on how he has learned to balance his fame and personal life. With the film, he aims to contribute to the landscape of Spanish cinema, moving away from outdated stereotypes and pushing for a more nuanced depiction of characters, thereby encouraging a broader acceptance and appreciation for different genres in Spanish filmmaking.