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In a rather amusing incident, a British tourist named Cal Kell managed to sneak onto the set of the original Iron Man film. While attending a boxing event at Caesar's Palace in Las Vegas, Kell noticed a section of the casino closed off for filming. With a stroke of luck, he evaded security and briefly interacted with Gwyneth Paltrow. Although his scene ended up being cut, Kell's fleeting presence remains in the film, adding an unexpected layer of randomness to the production.