David Anthony Matranga
— Harrison
Jason Douglas
— Mikhail
Shayla Bagir
— Madison
James Hong
— Jin
Emily Neves
— Kate
Michelle Ellen Jones
— Yelena
Jacob Reynolds
— Monroe
Julie Oliver-Touchstone
— Dr. Glenka / C.O.N.T.A.G.
Uju Edoziem
— Carter
Greg Dean
— Taft
Matthew Carter
— Arthur
Presley Fuentes
— Eva
Troy Parker
— Harrison's Father