Sam Neill (Dr. Alan Grant), Laura Dern (Dr. Ellie Sattler), Jeff Goldblum (Dr. Ian Malcolm), Richard Attenborough (John Hammond), Bob Peck (Robert Muldoon), Martin Ferrero (Donald Gennaro), Joseph Mazzello (Tim Murphy), Ariana Richards (Lex Murphy), Samuel L. Jackson (Ray Arnold), BD Wong (Henry Wu), Wayne Knight (Dennis Nedry), Cameron Thor (Lewis Dodgson), Christopher John Fields (Freiwilliger #1), Whit Hertford (Freiwilliger Junge), Miguel Sandoval (Juanito Rostagno), Dean Cundey (Kumpel), Gerald R. Molen (Gerry Harding)