- John Ritter as Adam
- Julia Louis-Dreyfus as Jennie
- Tony Longo as Johnny
- Jeremy Bulloch as Steven
- Willem Dafoe as Chris
- Michael Caine as Rock
- John Goodman as Ben
- Bill Murray as Stiller
- Lenny Henry as Mr. Genie
- Jaleel White as Ivor the Parrot
- John Kassir as Adobe the Frog
- Russi Taylor as Rebecca the Arabian Cat
- Frank Welker as The Cave of History
- Danny Mann as Paris the Elephant
- Although this movie was rated PG in the United States, it was rated PG in the United Kingdom.
Community content is available under CC-BY-SA unless otherwise noted.