"Jurassic Park," Steven Spielberg's blockbuster film about an island theme park filled with real-life dinosaurs, debuted on July 11, 1993. Three sequels followed: "The Lost World: Jurassic Park" in 1997 and "Jurassic Park III" in 2001 and "Jurassic World" in 2015. The original film was re-released in theaters in 3D in 2013 to mark its 20th anniversary.
Take a look through this gallery to see who starred in the film and what they've been up to since.
Sam Neill played Dr. Alan Grant, a leading paleontologist. He is invited to tour Jurassic Park by the park's founder, John Hammond.
Neill went on to reprise his role as Dr. Alan Grant in the 2001 film "Jurassic Park III." He recently starred on TV in the Fox series "Alcatraz," which was canceled after one season, and also had roles in "Merlin," "The Tudors" and films like "The Vow."
Laura Dern, left, played Dr. Ellie Sattler, a graduate student studying under Dr. Alan Grant who specializes in paleobotany.
Dern appeared briefly in "Jurassic Park III," and also had roles in "October Sky," "I Am Sam" and "The Master." She won a Golden Globe in 2013 for her role as Amy Jellicoe on the HBO series "Enlightened," which was canceled after two seasons. In 2015, she received an Oscar nomination her role in the Reese Witherspoon film, "Wild."
In 2015, she spoke with CBS News about being a part of "Jurassic Park," saying, "It was so inventive and it was such an enormous time because it was the first CGI film. So it was incredible thing to be part of. Stan Winston's genius in animatronics was present so we had all of that with his puppetry that was created for the film."
Jeff Goldblum portrayed Dr. Ian Malcolm, a mathematician and chaos theorist. The character appears in both of Michael Crichton's novels, "Jurassic Park" and "The Lost World."
Goldblum reprised his role as Dr. Ian Malcom in the "Jurassic Park" sequel "The Lost World: Jurassic Park." His other post-"Jurassic" projects have included "Independence Day" and two seasons on "Law & Order: Criminal Intent," as well as a guest-spot on "Glee" and "Portlandia."
Richard Attenborough, second left, played John Hammond, the CEO of genetic engineering company InGen and the founder of the Jurassic Park theme park.
"Jurassic Park" marked Attenborough's first on-screen acting role since 1979 (though he won two Oscars for directing and producing "Ghandi" and also directed "A Chorus Line" and "Chaplin" during that time). Post-"Jurassic Park," he also appeared in "The Lost World," as well as "Miracle on 34th Street," "Hamlet" and "Elizabeth." He died in 2014 at 90.
Ariana Richards played John Hammon's granddaughter, Lex Murphy. After the park's security systems and electric fences are deactivated, she and others on the island have some scary run-ins with dinosaurs (including a ferocious Tyrannosaurus and a pack of Velociraptors.).
Richards appeared briefly as Lex in "The Lost World: Jurassic Park" and also appeared on an episode "Boy Meets World." She graduated from Skidmore College, earning a degree in fine art and drama, and has become a successful artist. She starred in the "The Lost World: Jurassic Park" and continues to dabble in acting, too, appearing in the 2013 TV movie, "Battledogs."
Joseph Mazzello played Tim Murphy, Lex's younger brother.
Mazzello's other roles have included Eugene Sledge in the HBO miniseries The Pacific, and Dustin Moskovitz in The Social Network. He also appeared in the film "G.I. Joe: Retaliation" and on the FX series "Justified" and in "Person of Interest."
Samuel L. Jackson
Samuel L. Jackson played Ray Arnold, the park's chief engineer.
Samuel L. Jackson
Since he said "Hold on to your butts" in "Jurassic Park," Jackson has gone on to appear in films like "Pulp Fiction," "Jackie Brown," "Star Wars Episode I: The Phantom Menace," "Shaft," "Snakes on a Plane," "Django Unchained" and has made cameos as Nick Fury in a number of Marvel films.
Wayne Knight played Dennis Nedry, the disgruntled architect of Jurassic Park's computer systems. He is the one who shuts down the park's security systems (including the electric fences), so he can steal dinosaur embryos for one of InGen's corporate rivals. He ends up being blinded and killed by a Dilophosaurus.
Knight is best known for playing Newman on "Seinfeld," which he did until the show ended in 1998. His has also appeared in "Space Jam" and "Rat Race," and lent his voice to the animated films like "Tarzan," "Toy Story 2" and "Kung Fu Panda."
B. D. Wong
B.D. Wong played Dr. Henry Wu, the chief geneticist at Jurassic Park and head of the team that created the dinosaurs.
B. D. Wong
Wong is best known for his roles as Dr. George Huang on "Law & Order: Special Victims Unit," Father Ray Mukada on "Oz" and Ngawang Jigme in the film "Seven Years in Tibet." He also played Dr. John Lee in the short-lived series "Awake" and voiced the role of Li Shang in animated movie "Mulan."
Director Steven Spielberg on the set of "Jurassic Park."
Spielberg made many memorable films before "Jurassic Park," as well as after with directing credits including "Minority Report," "Ware Horse," "Catch Me If You Can," "Saving Private Ryan" and "Schindler's List."
More recently, he earned an Oscar nomination in 2013 for directing "Lincoln" and he served as executive producer on "Jurassic World."