Ringo Starr as Atouk

Dennis Quaid as Lar

Shelley Long as Tala

Jack Gilford as Gog

Barbara Bach as Lana

Carl Lumbly as Bork

John Matuszak as Tonda

Avery Schreiber as Ock

Richard Moll as Abominable Snowman

Cork Hubbert as Ta

Mark King as Ruck

Paco Morayta as Flok

Evan C. Kim as Nook

Ed Greenberg as Kalta

Jack Scalici as Folg

Erika Carlsson as Folg's Mate

Gigi Vorgan as Folg's Daughter

Anaís de Melo as Meeka

Miguel Ángel Fuentes as Grot

Ana De Sade as Grot's Mate

Gerardo Zepeda as Boola

Tere Álvarez as Ock's Mate

Hector Moreno as Noota

Pamela Gual as Noota's Mate

Marco Antonio Arzate as Caveman

Miguel Ángel García as Caveman

Vicente Huezo as Caveman

Nicolás Jasso as Caveman

Raúl Martínez as Caveman

Gerardo Albarrán as Caveman

Humberto Olivares as Caveman

Xochitl del Rosario as Cavewoman