- Sam Neill tohtori Alan Grantina
- Laura Dern tohtori Ellie Sattlerina
- Jeff Goldblum tohtori Ian Malcolmina
- Richard Attenborough John Hammondina
- Bob Peck Robert Muldoonina
- Ariana Richards Lex Murphyna
- Joseph Mazzello Tim Murphynä
- Martin Ferrero Donald Gennarona
- Samuel L. Jackson hahmona Ray Arnold
- BD Wong tohtori Henry Wu:na