Guest Stars Kim Engelbrecht as Noma Walker Carl Beukes as Gabriel Jonathan Howard as Ethan Mack Katrine De Candole as Uriel Co Starring Tyrone Keogh as Lt. Vince Fiona Ramsay as Senator Romero David Dennis as Senator Blake Kevin Otto as Louis Betsy Wilke as Bixby Kenneth Fok as Capt. Finch Nooni Kanyle as Senator Julian Keenan Arrison as Brother Paul Danny Keogh as Senator Thomas Frost Richard Lothian as Jeffrey the Medic Emily Child as Doctor Karl Thaning as Captain Henderson