Stagioni Regolari 12

1. 

   Noah Wyle

   Thomas 'Tom' Mason

2. 

   Moon Bloodgood

   Dr. Anne Glass

3. 

   Will Patton

   Captain Daniel 'Dan' Weaver

4. 

   Drew Roy

   Hal Mason

5. 

   Connor Jessup

   Ben Mason

6. 

   Maxim Knight

   Matthew 'Matt' Mason

7. 

   Colin Cunningham

   John Pope

8. 

   Sarah Carter

   Maggie

9. 

   Mpho Koaho

   Anthony

10. 

    Jessy Schram

    Karen Nadler

11. 

    Peter Shinkoda

    Dai

12. 

    Seychelle Gabriel

    Dr. Lourdes Delgado

Guest Stars 2

1. 

   Bruce Gray

2. 

   Steven Weber

Troupe 2