Series Cast 19

1. 

   Peter Cullen

   Optimus Prime (voice) (26 Episodes)

2. 

   Jeffrey Combs

   Ratchet (voice) (26 Episodes)

3. 

   Frank Welker

   Megatron (voice) (26 Episodes)

4. 

   Tania Gunadi

   Miko Nakadai (voice) (26 Episodes)

5. 

   Josh Keaton

   Jack Darby (voice) (26 Episodes)

6. 

   Kevin Michael Richardson

   Bulkhead (voice) (26 Episodes)

7. 

   Ernie Hudson

   Agent William Fowler (voice) (26 Episodes)

8. 

   Andy Pessoa

   Rafael "Raf" Esquivel (voice) (26 Episodes)

9. 

   Sumalee Montano

   Arcee (voice) (26 Episodes)

10. 

    Steve Blum

    Starscream (voice) (26 Episodes)

11. 

    Daran Norris

    Knock Out (voice) (26 Episodes)

12. 

    Tony Todd

    Dreadwing (voice) (8 Episodes)

13. 

    Clancy Brown

    Silas (voice) (4 Episodes)

14. 

    Adam Baldwin

    Breakdown (voice) (3 Episodes)

15. 

    David Kaye

    Hardshell (voice) (2 Episodes)

16. 

    David Sobolov

    Shockwave (voice) (1 Episode)

17. 

    Alexandra Krosney

    Sierra (voice) (1 Episode)

18. 

    George Takei

    Alpha Trion (voice) (1 Episode)

19. 

    Billy Brown

    Cliffjumper (voice) (1 Episode)

Series Crew 16