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Timothée Chalamet Reflects on His Interstellar Experience and a Notorious Prank

2/24/2026, 9:11:26 PM

The Emotional Journey of a Young Actor

Timothée Chalamet's experience on the set of Christopher Nolan's 2014 film *Interstellar* has been marked by a mix of pride and embarrassment. At just 17 years old, Chalamet portrayed the younger version of Tom Cooper, the son of NASA pilot Joseph Cooper, played by Matthew McConaughey. Despite the film being a significant milestone in his career, Chalamet initially felt like a “fraud” after attending an early screening, leading him to cry for an hour due to his disappointment over the size of his role.

Mentorship and Support

During a conversation at the University of Texas at Austin, McConaughey expressed his belief that Chalamet was “figuring some stuff out” during filming. He recognized Chalamet's potential, noting that despite any challenges, the young actor was destined to succeed. Chalamet appreciated McConaughey's mentorship, describing him as warm and supportive throughout their collaboration.

The Prank That Left a Mark

However, Chalamet's fond memories of the film were overshadowed by a notorious prank. On his last day of filming, he discovered an unexpected “souvenir” in his trailer—a large feces left as a joke. This incident left him feeling disrespected and prompted him to confront the crew, asking, “Who’s the joker who left this stinker in my trailer?” His inquiries led him to McConaughey, who, with a cheeky grin, admitted to orchestrating the prank. McConaughey humorously remarked, “In Texas, that’s just a rite of passage, baby!”

Looking Back with Humor

Reflecting on the incident years later, Chalamet has embraced the humor of the situation. Despite the initial shock, he continues to regard *Interstellar* as one of his favorite projects. Now an established actor, Chalamet is thriving in his career, recently competing for a Best Actor Oscar for his role in *Marty Supreme* and preparing for *Dune: Part Three*.

Conclusion

Timothée Chalamet's journey from a young actor grappling with self-doubt to a celebrated star illustrates the complexities of early career experiences in Hollywood. The blend of mentorship from McConaughey and the infamous prank serves as a reminder of the unique challenges and camaraderie found on film sets. As Chalamet continues to rise in the industry, he carries with him both the lessons learned and the humorous memories from his time on *Interstellar*.