Actors:
David Duchovny - Dr. Ira Kane
Actors:
Julianne Moore - Dr. Allison Reed, CDC
Actors:
Orlando Jones - Prof. Harry Phineas Block
Actors:
Seann William Scott - Wayne Grey
Actors:
Ted Levine - Brig. Gen. Russell Woodman
Actors:
Ethan Suplee - Deke
Actors:
Michael Bower - Danny
Actors:
Pat Kilbane - Officer Sam Johnson
Actors:
Ty Burrell - Col. Flemming
Actors:
Dan Aykroyd - Gov. Lewis
Actors:
Katharine Towne - Nadine
Actors:
Gregory Itzin - Barry Cartwright
Actors:
Ashley Clark - Lt. Cryer
Actors:
Michelle Wolff - Carla
Actors:
Sarah Silverman - Denise
Actors:
Richard Moll - Fire training inspector
Actors:
Michael McGrady - Fireman
Actors:
Steven Gilborn - Judge Guilder
Actors:
Wayne Duvall - Dr. Paulson
Actors:
Michael Chapman - Sheriff Long
Actors:
Kyle Gass - Officer Drake
Actors:
Lucas Dudley - Sgt. Toms
Actors:
Steven Pierce - Sgt. Larson
Actors:
Wendy Braun - Nurse Tate
Actors:
Jennifer Savidge - Claire
Actors:
Jerry Trainor - Tommy
Actors:
Stephanie Hodge - Jill Mason
Actors:
Kristen Meadows - Patty
Actors:
Winifred Freedman - Debbi
Actors:
Miriam Flynn - Grace
Actors:
Mary Pat Gleason - Customer at Tumbleweeds
Actors:
Tony Mirzoian - Husband at Tumbleweeds
Actors:
Morgan Nagler - Dressing room girl at Tumbleweeds
Actors:
Andrew Bowen - Road worker
Actors:
Steve Kehela - Reporter
Actors:
Lee Garlington - Reporter
Actors:
Josh Ackerman - Student
Actors:
Kenny Blank - Student
Actors:
John Cho - Student
Actors:
Tressa Pope - Student
Actors:
Adrienne Smith - Student
Actors:
Chris Wylde - Student
Actors:
Marty Belafsky - MP
Actors:
Tom Davis - Governor's aide
Actors:
Gary Kent - Governor's aide
Actors:
Timothy R. Layton - Soldier guarding gate
Actors:
Angelo Vacco - Officer Thompson
Actors:
Tom Woodruff Jr. - Lead primate creature
Actors:
Jim Brockhohn - Volleyball spectator
Actors:
Erin Carufel - Supporting
Actors:
Diondre Cheatam - Campus security officer
Actors:
Leslie McCasky - Waitress
