布鲁斯·巴克林纳

Bruce Boxleitner

饰：President Howard

梅根·加拉格尔

Megan Gallagher

饰：Dr. Diane Landis

汤姆·怀特

Tom Wright

饰：Tom Brenner (as Thomas Wright)

丹·劳里亚

Dan Lauria

饰：General Ryker

杰弗瑞·考姆斯

Jeffrey Combs

饰：Brown (as Jeffery Combs)

诺尔·康隆

Noel Conlon

饰：Kirby Allenworth

Tim Lounibos

Tim Lounibos

饰：Special Agent Fraley

Randy Lowell

Randy Lowell

饰：Dr. Amos

Wiley M. Pickett

Wiley M. Pickett

饰：Garra (as Wiley Pickett)

詹妮弗·董

Jennifer Tung

饰：Asian Mother

Matteo Crismani

饰：Dusty

Tim Van Pelt

Tim Van Pelt

饰：Dr. Wayne Morgan

Debbie Ann Thomas

饰：Nurse Washington

安德鲁·霍克斯

Andrew Hawkes

饰：Daniels

卡尔·约翰逊

Karl Johnson

饰：Ferrin

罗伯特·R·谢弗

Robert R. Shafer

饰：Wallace (as Bobby Ray Shafer)

克里斯汀·赫萝德

Kristin Herold

饰：Althea Taylor

Mike Bellesfield

饰：Hospital Security Guard

琳·莎耶

Lin Shaye

饰：Laura Crowley