Jurassic Park screenwriter David Koepp initially intended to remove Jeff Goldblum's character, Dr. Ian Malcolm, from the movie's script. However, Goldblum's portrayal of the charismatic mathematician with a rockstar personality won over audiences and made Malcolm a beloved character. Koepp revealed that his initial draft of the script excluded Malcolm because he felt the character focused too much on complex scientific concepts. Director Steven Spielberg, after witnessing Goldblum's audition using Michael Crichton's original book, insisted on bringing Malcolm back into the story.
My initial draft did not include Jeff Goldblum's character. When I submitted it, I expressed to Steven Spielberg that I felt the character was too challenging for me to portray. I explained how he had lengthy conversations about complex scientific concepts, making it difficult for me. However, even before reading the draft, Steven already had a note for me. He insisted that we must have Malcolm in the film. Jeff Goldblum had come in and read some excerpts from the book, and it was clear that the part was tailor-made for him. We needed to find a way to make it work.
How Ian Malcolm Became The Face Of The Jurassic Park Franchise
Depicted as a mathematician specializing in chaos theory, Dr Ian Malcolm, portrayed by Goldblum, may have appeared as an unconventional choice to evaluate Jurassic Park’s operations on behalf of InGen’s insurance company. Drawing inspiration from real-life science historian James Gleick, Malcolm’s character was carefully crafted as a unique fusion of scientific brilliance and the confident aura of a quasi-celebrity. Although his presence may have seemed out of sync on Isla Nublar, Goldblum’s portrayal of the cynical chaos theorist would later be recognized as one of the most acclaimed performances in the original 1993 movie.
Goldblum's portrayal of Ian Malcolm in Jurassic Park not only added to his already impressive onscreen resume, but also launched him into the realm of super-stardom and solidified his status as a modern-day sex symbol. Even after 30 years since the release of Jurassic Park, Goldblum's iconic lines and scenes continue to be a popular source of internet memes and pop culture references.
Although Goldblum would go on to lead the 1997 sequel The Lost World: Jurassic Park and make appearances in the more recent franchise entries Jurassic World: Fallen Kingdom and Jurassic World: Dominion, his first portrayal of Ian Malcolm remains the most memorable. It's almost unbelievable that Koepp initially attempted to remove Goldblum's character from the movie. If successful, this decision would have greatly diminished both the 1993 film and the entire franchise.
Source: Script Apart