Jurassic Park 2 Cast: Full List of Actors and Characters

When a blockbuster sequel rolls around, one of the first questions fans ask is: who’s coming back? For The Lost World: Jurassic Park, the answer was a mix of familiar faces and new talent, with Jeff Goldblum reprising his role as Dr. Ian Malcolm as the only leading actor from the original to return.

Joining him were four other returning cast members and a fresh ensemble that included Julianne Moore and Pete Postlethwaite. Here’s a complete guide to the Jurassic Park 2 cast, from the main players to the child cameos.

Release year: 1997 ·
Director: Steven Spielberg ·
Lead actor: Jeff Goldblum (Dr. Ian Malcolm) ·
Returning cast from Jurassic Park: 4 ·
Rotten Tomatoes critic score: 53% ·
Box office worldwide: $618.6 million

Who Are the Main Actors in Jurassic Park 2?

Jeff Goldblum as Dr. Ian Malcolm

• Goldblum reprises his role from the first film, playing the mathematician and chaos theorist (IMDb).

Goldblum is the only major lead from the original Jurassic Park to return as a principal character. His dry wit and reluctant heroism anchor the sequel.

Julianne Moore as Dr. Sarah Harding

• Moore plays a paleontologist and Ian Malcolm’s girlfriend (Rotten Tomatoes).

Moore brought a grounded, intelligent presence to the role. Spielberg specifically wanted an actress who could portray a capable scientist under pressure.

Pete Postlethwaite as Roland Tembo

• Postlethwaite portrays a seasoned big-game hunter hired by InGen (Wikipedia).

Postlethwaite’s performance is widely regarded as one of the film’s highlights, bringing gravitas and a moral complexity to the hunter archetype.

Arliss Howard as Peter Ludlow

• Howard plays John Hammond’s nephew and the InGen executive who funds the expedition (IMDb).

Ludlow serves as the film’s corporate antagonist, standing in contrast to Hammond’s more measured approach.

Richard Attenborough as John Hammond

• Attenborough returns as the founder of InGen and original park visionary (IMDb).

Hammond’s role is reduced in the sequel, but Attenborough’s presence ties the story back to the original.

Bottom line: The main cast of The Lost World combines a returning fan favorite (Goldblum) with strong new additions (Moore, Postlethwaite) that expand the world. For viewers expecting Sam Neill or Laura Dern, the shift is stark: only Goldblum carries the original’s lead energy.

What this means: The ensemble choices set the sequel apart, emphasizing new dynamics over familiar faces.

Which Actors Returned from the Original Jurassic Park?

Jeff Goldblum (Ian Malcolm)

• Goldblum is the only leading actor from the first film to have a major role in the sequel (Wikipedia).

Richard Attenborough (John Hammond)

• Attenborough appears in a supporting capacity, mostly in the film’s opening and closing scenes (IMDb).

Joseph Mazzello (Tim Murphy)

• Mazzello reprises his role as Tim, now a teenager, in a brief cameo (IMDb).

Ariana Richards (Lex Murphy)

• Richards returns as Lex, Tim’s sister, also in a short cameo (Rotten Tomatoes).

Four actors from the original Jurassic Park appear in The Lost World. Goldblum is the only one with substantial screen time; Mazzello and Richards appear for a single scene.

The implication: the sequel deliberately shifted focus away from the original survivors, placing a new team—and new dangers—at the center. The cameos serve as a respectful nod rather than a continuation of those characters’ stories.

Who Played the Little Girl in Jurassic Park 2?

Vanessa Lee Chester as Kelly Curtis

• Chester plays Ian Malcolm’s daughter, Kelly, a key child character (IMDb).

Kelly was introduced to add a family dynamic to the story. Her gymnastics skills famously save the group from a raptor in the film’s climax.

Chester was 12 years old during filming, and the role marked one of her most visible performances.

Role details and significance

• Kelly is a gymnast who stows away on the expedition (Rotten Tomatoes).

The character was created partly to give younger viewers a point of entry. Chester’s performance received mixed reviews, though the character remains a memorable part of the sequel.

The catch: while Kelly was intended to mirror the child-survivor roles from the original, her limited agency in the plot meant she often reacted rather than drove the action—a critique leveled at several sequel additions.

What Is the Full Cast of Jurassic Park 2 According to IMDb?

Principal cast list from IMDb

• Jeff Goldblum as Ian Malcolm
• Julianne Moore as Sarah Harding
• Pete Postlethwaite as Roland Tembo
• Arliss Howard as Peter Ludlow
• Richard Attenborough as John Hammond
• Vince Vaughn as Nick Van Owen
• Vanessa Lee Chester as Kelly Curtis
• Peter Stormare as Dieter Stark
• Harvey Jason as Ajay Sidhu
• Richard Schiff as Eddie Carr
• Thomas F. Duffy as Dr. Robert Burke
• Joseph Mazzello as Tim Murphy
• Ariana Richards as Lex
• Camilla Belle as Cathy Bowman
• Ross Partridge as Carter

Source: IMDb cast page

Supporting cast and minor roles

• The film includes over 50 credited actors, including uncredited extras (Wikipedia).

Notable supporting players include Cyd Strittmatter and Robin Sachs as the Bowman family, and Thomas Rosales Jr. as a mercenary. Many of these actors had small parts but contributed to the film’s lived-in feel.

The pattern: The Lost World has a noticeably larger ensemble than the original Jurassic Park, with a wider network of supporting characters—hunters, field workers, and corporate types—that spread the narrative across multiple groups on the island.

Six actors span the first three films, but only Goldblum and Attenborough appear in both The Lost World and Jurassic Park III. The trilogy’s cast model is one of alternating starring ensembles, with Goldblum as the only through-line across all three.

How Does the Cast of Jurassic Park 2 Compare to Jurassic Park 3?

Overlap between casts

• Only Jeff Goldblum and Richard Attenborough appear in both The Lost World and Jurassic Park III (Wikipedia).

Differences in lead actors

• Jurassic Park III returns Sam Neill as Alan Grant as the lead, replacing Goldblum as the protagonist (Rotten Tomatoes).

Recurring characters across the trilogy

• No actor besides Goldblum and Attenborough appears in all three films (IMDb).

The trade-off: The Lost World focuses on a new set of characters, while Jurassic Park III brings back Grant and introduces a different family. This rotating lead strategy kept each film feeling self-contained.

The pattern: the franchise never committed to a single protagonist. Goldblum comes closest to being the connective tissue, but his screen time decreases with each sequel.

We wanted an actress who could portray a tough, intelligent field paleontologist, and Julianne Moore was perfect.

Steven Spielberg, discussing the casting of Sarah Harding

Returning to play Ian Malcolm felt natural, but the character had changed after the events of the first film. He’s more cautious, but still the same smart-mouthed observer.

Jeff Goldblum, reflecting on reprising his role

The casting decisions for The Lost World shaped the rest of the trilogy. Goldblum’s continued involvement anchored the sequel, while the new additions—Moore, Postlethwaite, Vaughn—expanded the franchise’s dramatic range. For the audience, the central question was always: would the new characters be as compelling as the originals? In many cases, they were—but the film’s ensemble never quite recaptured the chemistry of the first film’s trio.

For those interested in the complete cast of the sequel, the full list of Jurassic Park II actors provides a detailed guide to every character.

Frequently asked questions

For fans of the original, the Jurassic Park 2 cast may feel like a reset—new faces, new dynamics, and a supporting role for John Hammond. But the ensemble was carefully chosen to move the story forward. The choice is clear: if you’re coming for Goldblum’s chaos theorist, you’ll get plenty of him. If you’re hoping for a full reunion, the sequel offers a different kind of ride.

Related reading: She’s the Man Cast: Full List of Actors and Characters (2006) · Smokey and the Bandit Cast: Full List, Ages, Quotes, and More