Series Cast 11

1. 

   Christine Finn

   Tin-Tin Kyrano (26 Episodes), Tin-Tin Kyrano (voice) (26 Episodes), — (5 Episodes)

2. 

   Ray Barrett

   Colonel Harris / Colonel Benson (voice) (1 Episode), John Tracy (26 Episodes), — (20 Episodes), Dr. Orchard (voice) (1 Episode)

3. 

   Peter Dyneley

   Jeff Tracy (26 Episodes), — (18 Episodes)

4. 

   Sylvia Anderson

   — (12 Episodes), Lady Penelope Clayton Ward (26 Episodes)

5. 

   Shane Rimmer

   Scott Tracy (26 Episodes), — (6 Episodes), Reactor Control Assistant (voice) (1 Episode)

6. 

   Matt Zimmerman

   — (1 Episode), Lieutenant Jensen (voice) (1 Episode), Hector McGill (voice) (1 Episode), Press Officer / 2nd Reporter (voice) (1 Episode), TV Reporter (voice) (1 Episode), Banino / Macklin / Foreign Lieutenant (voice) (1 Episode), Alan Tracy (voice) (26 Episodes)

7. 

   David Graham

   — (1 Episode), Gordon Tracy / Brains (voice) (26 Episodes)

8. 

   David Holliday

   Virgil Tracy (voice) (26 Episodes)

9. 

   Alexander Davion

   Space Captain Greg Martin (26 Episodes)

10. Paul Maxwell

    Captain Paul Travers (26 Episodes)

11. John Tate

    Solarnaut Camp (voice) (uncredited) (1 Episode), Maxie / Scheiler / Foreign Colonel (voice) (uncredited) (1 Episode), Blackmer (voice) (uncredited) (1 Episode), Various Characters (voice) (uncredited) (1 Episode)

Series Crew 12