Harrison Ford was offered Alan Grant and later said declining was right for both him and the film.
William Hurt was also reportedly offered Grant, but the panel doubts his inward style would serve the role as well as Sam Neill’s evolution into caretaker and action hero.
Wikipedia is cited for Jim Carrey auditioning for Ian Malcolm; the hosts agree that choice would create a substantially different movie.
Sam Neill is praised for evoking the Harrison Ford adventure archetype without overpowering the dinosaurs or arriving as a dominant star.

Half-Assed Internet Research

Research covers the rights auction, production history, scientific details, sound and practical effects, finances, cultural influence, and unused material.

In the discussion (10)

Approx. transcript time · 00:30:32Read transcript

Warner Bros./Tim Burton, Columbia/Richard Donner, Fox/Joe Dante, and possibly Paul Verhoeven were competing studio-director combinations before Universal and Spielberg secured the property.
Universal leadership reportedly conditioned approval of Schindler’s List on Spielberg making Jurassic Park first; he later called it an effort to make Jaws on land.
The movie reportedly increased interest in paleontology, and the discussion connects Spielberg and Michael Crichton’s relationship to ER.
Several dinosaurs are said not to belong to the Jurassic period, turning the title into an admitted branding choice rather than a precise scientific label.
Universal paid Michael Crichton about $2 million before publication, divided between rights and a screenplay draft later replaced by David Koepp’s work.
The T. rex roar combined dog, penguin, tiger, alligator, and elephant sounds, while the water-glass ripple came from a guitar string under the dashboard.
The hosts credit the film with accelerating franchise-oriented blockbuster competition and discuss Chip Kidd’s influential skeletal T. rex book cover.
An abandoned sequence would have had the children ride a young dinosaur, but the effect was judged unconvincing.
Alan Grant is said to be modeled on Montana paleontologist and technical adviser Jack Horner.
Spielberg reportedly earned about $250 million from the film, which the hosts still call underpayment given the billion-dollar gross and franchise created.

Picking Nits

The hosts question nearly inaudible punch lines and the simplified science while ultimately defending the exposition and scientist-hero effect.

In the discussion (3)

Approx. transcript time · 00:52:08Read transcript

Numerous under-the-breath punch lines are mixed so quietly that viewers can miss them, including dialogue about babies in Montana.
Mr. DNA is defended as an excellent exposition device even while the science behind the park is called laughable in retrospect.
The movie’s simplified science is partly forgiven because it inspired interest in paleontology and presented scientists as heroes.

Probably Unanswerable Questions

Questions address whether dinosaur cloning is plausible, whether another director could improve the film, and whether its CGI breakthrough ultimately diminished Spielberg’s distinctiveness.

In the discussion (3)

Approx. transcript time · 00:58:08Read transcript

A reported 2005 discovery of DNA-like material on a T. rex fossil prompts the question of whether any version of the cloning premise is plausible.
The hosts ask whether Burton, Dante, Donner, or another director could make a more interesting genre-specific version, while doubting any would improve this film.
They ask whether Jurassic Park’s CGI breakthrough gave all filmmakers Spielberg’s visual toolkit and thereby made his later action work less special.