An underground government facility is locked down by its A.I.-controlled computer when an alien entity travels through a dimensional portal and threatens the lives of everybody inside.
Dr. Ron Shepherd
Dr. Alex Summerfield
Dr. Julie Casserly
McShane
Baines
Jedburg
Zunoski
Mancini
Secretary Kenmore
Dr. Myers
Marshall
Ford
Medic Council
Dawson
Hoffman
Helicopter Pilot
CIA Agent
CIA Agent