Immersion in the World of Casinos:
* Research and Observation: De Niro spent extensive time researching the world of casinos and gambling. He studied books, interviewed real-life casino executives and employees, and even spent time observing and learning from professional gamblers.
* Casino Training: De Niro underwent intensive training in blackjack, roulette, and other casino games to become proficient in the mechanics and strategies. This firsthand experience gave him an authentic understanding of the world his character inhabited.
Understanding the Character:
* Developing the Character: De Niro worked closely with director Martin Scorsese to develop a complex understanding of Ace Rothstein. They explored the character's motivations, vulnerabilities, and inner struggles, which allowed De Niro to create a nuanced and layered portrayal.
* Physical Transformation: De Niro underwent a physical transformation to embody the character. He gained significant weight and worked with a trainer to develop a physique that reflected Ace's lifestyle and the pressures he faced.
* Voice and Mannerisms: De Niro paid close attention to Ace's voice and mannerisms. He developed a distinctive voice, adopting a gruff and cynical tone that reflected Ace's cynical outlook and the strain of his life.
Collaboration with Scorsese:
* Close Collaboration: De Niro and Scorsese have a long-standing creative partnership, known for their intense and collaborative approach. They meticulously planned every scene and detail, ensuring that De Niro's performance would be perfectly in sync with Scorsese's vision.
De Niro's dedication to the role was evident in his willingness to fully commit to the character, both physically and emotionally. His meticulous preparation, combined with his acting talent and Scorsese's direction, resulted in one of his most iconic and acclaimed performances.