Frayne Rosanoff as John Cooper

Robert Englund as Dr. Anton Rudolph

Casper Van Dien as Bart Parker

William Zabka as Greg Larsen

Dana Barron as Kristin

Sara Mornell as Theresa

Wil Wheaton as Tommy

Jenny McCarthy-Wahlberg as Francesca Garibaldi

Chris Owens as Brian Cooper

Sean Whalen as Deputy Lewis Ross

Gary Grubbs as Sheriff Griffin Wade

Theo Nicholas Pagones as Dootsen

Scott Williamson as Kenny Summers

David Bowe as Boone

Keith Coogan as Lenny

John Franklin as Floyd Fuller

LoriDawn Messuri as Lisa Johnson

Kathleen Randazzo as Roberta Keeler

Robert Lepucki as Bravo Leader

Ed Lauter as Pilot

Marc McClure as Co-Pilot

Natasha Roth as Little Girl in Park

Trevor Baer as Billy

Lisa Michele Jones as NSA Agent

Frank Welker as The Python (voice)