시즌 정규 출연진 1

1. 

   Alex Diakun

특별출연 17

1. 

   Brett Cullen

   Dr. James Martin

2. 

   Peter Stebbings

   Seth Todtman

3. 

   Stellina Rusich

   Sharon

4. 

   Kevin Tighe

   General

5. 

   Michael St. John Smith

   Dean Irwin

6. 

   Andrew McIlroy

   Hal Kaplan

7. 

   Garvin Cross

   Lt. Jackson

8. Darcy Kirkpatrick

   Communications Officer

9. 

   Chris Nelson Norris

   Captain Litvak

10. 

    Derek Peakman

    Professor Wylie

11. Kyra Azzopardi

    Kate Martin

12. 

    Gary Hetherington

    Chief Davis

13. Bob Dawson

    Mr. Walker

14. 

    Sharon Alexander

    Girl Hostage

15. 

    Brennan Elliott

    Tom

16. 

    John Innes

    Teacher

17. 

    Derek Lowe

    Student

제작진 2