Will Ferrell
Dr. Rick Marshall
Acting
Anna Friel
Holly
Acting
Danny McBride
Will Stanton
Acting
Jorma Taccone
Chaka
Acting
John Boylan
Enik
Acting
Matt Lauer
Matt Lauer
Acting
Bobb'e J. Thompson
Tar Pits Kid
Acting
Sierra McCormick
Tar Pits Kid
Acting
Shannon Lemke
Tar Pits Kid
Acting
Steven Wash Jr.
Tar Pits Kid
Acting
Brian Huskey
Teacher
Acting
Kevin Buitrago
Teenager
Acting
Noah Crawford
Teenager
Acting
Jon Kent Ethridge
Teenager
Acting
Logan Manus
Teenager
Acting
Ben Best
Ernie
Acting
Scott Dorel
Elder Pakuni
Acting
Sean Michael Guess
Elder Pakuni
Acting
Dennis McNicholas
Ice Cream Man
Writing
Chris Henchy
Stage Manager
Production
Kurt Carley
Sleestak
Acting
Travis Samuel Clark
Sleestak
Acting
Daniel George
Sleestak
Acting
Todd Christian Hunter
Sleestak
Acting
Marti Matulis
Sleestak
Acting
Tim Soergel
Sleestak
Crew
Douglas Tait
Sleestak
Acting
Patrick Wedge
Sleestak
Acting
Ana Alexander
Pakuni Woman
Acting
Moran Atlas
Pakuni Woman
Acting
Jesse Golden
Pakuni Woman
Acting
Eve Mauro
Pakuni Woman
Acting
Pollyanna McIntosh
Pakuni Woman
Acting
Ania Spiering
Pakuni Woman
Acting
Paul Adelstein
Astronaut (voice)
Acting
Adam Behr
Library Skull (voice)
Acting
Daamen J. Krall
Library Skull (voice)
Acting
Leonard Nimoy
The Zarn (voice)
Acting
Michael Papajohn
Astronaut (uncredited)
Acting
Kiernan Shipka
Tar Pits Kid
Acting
Dylan Sprayberry
Tar Pits Kid (uncredited)
Acting
Zach Callison
Tar Pits Kid (uncredited)
Acting