When Emma Stone stepped onto the set of Poor Things, she wasn’t simply preparing for another performance—she was entering a role that demanded the complete dismantling of her instincts, her image, and even her sense of self. According to Mark Ruffalo, what unfolded during filming was unlike anything he had ever witnessed in his career.
Ruffalo recalls that the atmosphere on set often shifted the moment Emma began a scene. The film, directed by Yorgos Lanthimos, required Stone to portray Bella Baxter, a character with the physical body of an adult but the evolving mind of a child discovering the world for the first time. It was a concept that, on paper, seemed daring. In execution, it became something far more intense—almost unsettling in its rawness.
Emma Stone committed to the role with a level of vulnerability that stunned even the most seasoned professionals around her. Ruffalo describes long, grueling 12-hour shooting days where she had to strip away every layer of social conditioning. Bella was uninhibited, curious, and often unaware of societal norms, which meant Stone had to abandon any concern for how she might be perceived. For an actor of her stature, known globally and scrutinized constantly, that kind of surrender was not just artistic—it was deeply personal.
The studio itself seemed to respond to the weight of her performance. Ruffalo remembers moments when the air felt heavy, as if the entire crew collectively understood they were witnessing something rare. During Bella’s most vulnerable scenes, there was a stillness that went beyond professionalism. Engineers, technicians, and crew members reportedly paused, transfixed, as Stone navigated emotional territory that blurred the line between performance and exposure.
What made it even more powerful was the contrast between her public persona and the character she embodied. Emma Stone, often associated with charm, wit, and control, deliberately stepped into chaos. She allowed Bella to be awkward, impulsive, and at times deeply uncomfortable to watch. That willingness to sacrifice dignity—at least in the traditional, Hollywood sense—became the foundation of the film’s impact.
Mark Ruffalo, who shared many scenes with her, admitted that he often felt like he was reacting not to an actor, but to a fully realized, unpredictable presence. He described her performance as “shattering,” not because it was loud or dramatic, but because it was so completely unguarded. Every movement, every expression carried the weight of someone rediscovering existence from scratch.
In many ways, Poor Things became more than just a film—it became a testament to what happens when an actor is willing to risk everything for authenticity. Emma Stone traded comfort for truth, control for chaos, and safety for something far more enduring. According to Ruffalo, that sacrifice didn’t just elevate the film—it redefined what modern cinematic performance could look like.
By the end of production, it was clear to everyone involved that they hadn’t just made a movie. They had captured a transformation—one that would linger far beyond the final cut.