Daniel Quinn as Samuel Staziak

Darlanne Fluegel as Dr. Joan Alden

Richard Grove as Commander Peter Harrigan

Mark Rolston as Lieutenant Harry Brown

Richard Lynch as Karl Glock

Hilary Shepard as Zena

James Horan as Melvin

Gary Hudson as Damon Pratt

Cyndi Pass as Sarah Kopek

Luca Bercovici as Dr. Krench

Christopher Kriesa as Riley

Savannah Smith Boucher as Margaret Harrigan

Brion James as Dr. Hampton

Dennis Redfield as Officer West

Starr Andreeff as Glenda

Wayne Grace as Officer Dooley

Lisa Comshaw as Nurse in Operating Room

Leo Lee as Thug #1

Jeff Pruitt as Officer Patrelli

Craig Hamann as Officer Gorman

Darren Dalton as Officer Longo

Deirdre Haj as Officer Parker

Carolyn Taye-Loren as Nurse in Emergency Room

Elan Rothschild as Young Samuel