Here is a list of the main characters and the actors who portrayed them. See the Related Link below for a complete list of the cast and crew.
Dr. Alan Grant...Sam Neill
Dr. Ellie Sattler...Laura Dern
Dr. Ian Malcolm...Jeff Goldblum
John Hammond...Richard Attenborough
Robert Muldoon...Bob Peck
Donald Gennaro...Martin Ferrero
Tim Murphy...Joseph Mazzello
Alexis "Lex" Murphy...Ariana Richards
Ray Arnold...Samuel L. Jackson (yes, THAT Samuel L. Jackson)
Henry Wu...B.D. Wong (better known as Dr. George Huang on Law & Order: SVU, also guest starred on my all-time favorite show, The X-files)
Dennis Nedry...Wayne Knight (better known as Newman from Seinfeld)
The cast of Beyond Jurassic Park - 2001 includes: Richard Attenborough as himself Christopher Boyes as Himself - Sound Designer Rick Carter as Himself - Production Designer Michael Crichton as Himself - Writer Rodolfo Damaggio as Himself - Storyboard Artist Don Davis as Himself - Composer Laura Dern as herself Randy Dutra as Himself - Dinosaur Motion Supervisor Tony Eckert as Himself - Foley Mixer Jeff Goldblum as himself Danny Gordon Taylor as Himself - Animation Supervisor Ned Gorman as Himself - Visual Effects Producer George Hull as Himself - Visual Effects Art Director Joe Johnston as Himself - Jurassic Park III Director Kathleen Kennedy as Herself - Producer David Koepp as Himself - Screenwriter Michael Lantieri as Himself - Special Effects Vanessa Lee Chester as herself Joseph Mazzello as himself Julianne Moore as herself Dennis Muren as Himself - Full Motion Dinosaurs Sam Neill as himself Pete Postlethwaite as himself Ariana Richards as herself John Rosengrant as Himself - Stan Winston Studios Artist Steven Spielberg as Himself - Director Jana Vance as Herself - Foley Artist Vince Vaughn as himself Ed Verreaux as Himself - Production Designer Stan Winston as Himself - Live Action Dinosaurs
The cast of Jurassic Attack - 2013 includes: Natascha Berg as Angeles Ibanez Adrian Clissold as Dillinger Philip Coc as Flores Ganney Dortch as Nuemeir Aaron Erskine as Potter John Frear as Hudson Stevie Hack as Crow Kameisha Harris as Felix Corin Nemec as Colonel Carter Adran Ramirez as Edwards Sean Smithson as Operative Gary Stretch as Captain John Steakley Berne Velasquez as Tank Vernon Wells as Agent Grimaldi Alicia Ziegler as Sarah Haldeman
The cast of Jurassic World - 2015 includes: Bryce Dallas Howard Irrfan Khan as Mr. Patel Chris Pratt as Owen Ty Simpkins as Gray
The cast of The World of Jurassic Park 3D - 2013 includes: Kathleen Kennedy as herself Steven Spielberg as himself
Chris Pratt was the main person
The cast of The Fourth World - 2011 includes: Mark Volkers
The cast of Women of the World - 1998 includes: Lung Chan
The cast of Manly World - 1990 includes: Colin Quinn
The cast of The World Is a Business - 2012 includes: Katerina Moutsatsou as Katmouts
The cast of The Other World - 1976 includes: Sharry Flett as Narrator
The cast of Out of This World - 2014 includes: Mohammad Rizwan
The cast of Where in This World - 2008 includes: August Diehl
The cast of What a World - 2015 includes: Kelly Pendygraft
The cast of The World - 2014 includes: Jessica Preddy
The cast of The End of the World - 2003 includes: Fluid
The cast of Who in the World - 1962 includes: Warren Hull as Host
The cast of The Fourth World - 2011 includes: Mark Volkers
The cast of A World of Stars - 1963 includes: Rita Moreno
The cast of Word World - 2007 includes: Lenore Zann
The cast of When the World Sleeps - 1910 includes: Pearl White
The cast of The World of Interiors - 2003 includes: Neil Conrich
The cast of The Edge of the World - 2009 includes: Shane Casey