Bunker 6
Voltar- Andrea Lee NorwoodGrace
Molly DunsworthAlice- Jim FowlerEric
Glen MatthewsJoe
Shelley ThompsonMary- Daniel LillfordLewis
- Sophie ElliottYoung Grace
Glen LefchakGrace's Father / Bunker 8 Radio Voice- Geneviève SteeleGrace's Mother
Mark CritchNews Radio Announcer (voz)- Liam MacDonaldSoldier
- Simon Philippe AllardPaulson Family Member
- Tessa DavisPaulson Family Member
- Cheryl SampsonPaulson Family Member
- Iain K. MacLeodOfficer (as Iain MacLeod)
- Adam SmithEngineer
- Jonathan Baha'iEngineer