A U.S. satellite crash-lands near a small town in Utah, unleashing a deadly plague that kills virtually everyone except two survivors, who may provide clues to immunizing the population. As the military attempts to quarantine the area, a team of highly specialized scientists is assembled to find a cure and stop the spread of the alien pathogen, code-named Andromeda.

Benjamin Bratt, Christa Miller, Eric McCormack, Daniel Dae Kim, Viola Davis, Louis Ferreira, Barry Flatman, Ricky Schroder, Andre Braugher, Magda Apanowicz, Fred Keating, Anna Galvin, Eve Harlow, Paul Perri, Adrian Holmes, Emily Holmes, Juan Carlos Velis, Ted Whittall, Ted Atherton, Roman Podhora, Jonathan Potts, Denise Galik, Kurt Max Runte, Cory Dagg, Nicola Anderson, Douglas O'Keeffe, Tom McBeath, Jesse Moss, Kurt Evans, Panou, Candus Churchill, Graeme Duffy, Daniel Bacon, Stacee Copeland, David Ross, Tom Butler, Nels Lennarson, Chris Bradford, Biski Gugushe, Matthew Smalley, Teach Grant, Bart Anderson, Donna Soares, Michale Ascher, Luke Camilleri, Michael Teigen, Jacob Blair, Eric Breker, Ava Salomon, Aaron Junior Turner, Calvin Lee, Zyan Panagopoulos, Michal Suchánek