निर्देशक: Joe Johnston
सैम नील
Dr. Alan Grant
William H. Macy
Paul Kirby
Téa Leoni
Amanda Kirby
Alessandro Nivola
Billy Brennan
Trevor Morgan
Eric Kirby
Michael Jeter
Udesky
John Diehl
Cooper
Bruce A. Young
Nash
लौरा डर्नी
Ellie
Taylor Nichols
Mark
Mark Harelik
Ben Hildebrand
Julio Oscar Mechoso
Enrique Cardoso
Blake Michael Bryan
Charlie
Sarah Danielle Madison
Cheryl
Linda Park
Hannah
Sonia Jackson
Symposium Leader
Bruce French
Science Reporter
Bernard Zilinskas
Male Student
Rona Benson
Female Student
Frank Clem
Man in Suit
