Sam Neill

Dr. Alan Grant

Sarah Danielle Madison

Cheryl Logan

Linda Park

Hannah

Sonia Jackson

Symposium Leader

Bruce French

Science Reporter

Bernard Zilinskas

Male Student

Rona Benson

Female Student

Frank Clem

Man in Suit

Craig Hosking

Pilot

Rick Shuster

Pilot

Edward C. Gillow

University Professor at Symposium (uncredited)

Blake Michael Bryan

Charlie

Julio Oscar Mechoso

Enrique Cardoso

William H. Macy

Paul Kirby

Téa Leoni

Amanda Kirby

Alessandro Nivola

Billy Brennan

Trevor Morgan

Erik Kirby

Michael Jeter

Mr. Udesky

John Diehl

Cooper

Bruce A. Young

M.B. Nash