On screen
Cast
7 credited performers
Artwork unavailable
Terry Michael Acord
Ernie Shadowsky / Lon Madnight
Artwork unavailable
Brenna Barry
Garganta / Dr. Heisler
Artwork unavailable
Chris Casteel
Ave Corrigan / Solopticus / Gorilla
Artwork unavailable
Toni Clair
Toni Garland
Artwork unavailable
Jason Clarke
Harrison Heisler
Donald F. Glut
Paleontologist
Joel D. Wynkoop
Joel D. Wynkoop