Series Cast 18

1. 

   Peter Cullen

   Optimus Prime (voice) (13 Episodes)

2. 

   Jeffrey Combs

   Ratchet (voice) (13 Episodes)

3. 

   Frank Welker

   Megatron (voice) (13 Episodes)

4. 

   Tania Gunadi

   Miko Nakadai (voice) (13 Episodes)

5. 

   Josh Keaton

   Jack Darby (voice) (13 Episodes)

6. 

   Kevin Michael Richardson

   Bulkhead (voice) (13 Episodes)

7. 

   Ernie Hudson

   Agent William Fowler (voice) (13 Episodes)

8. 

   Andy Pessoa

   Rafael "Raf" Esquivel (voice) (13 Episodes)

9. 

   Sumalee Montano

   Arcee (voice) (13 Episodes)

10. 

    Nolan North

    Smokescreen (voice) (13 Episodes)

11. 

    Steve Blum

    Starscream (voice) (13 Episodes)

12. 

    Michael Ironside

    Ultra Magnus (voice) (13 Episodes)

13. 

    David Sobolov

    Shockwave (voice) (13 Episodes)

14. 

    Daran Norris

    Knock Out (voice) (13 Episodes)

15. 

    Peter Mensah

    Predaking (voice) (4 Episodes)

16. 

    Clancy Brown

    Silas (voice) (1 Episode)

17. 

    Will Friedle

    Bumblebee (voice) (1 Episode)

18. 

    George Takei

    Alpha Trion (voice) (1 Episode)

Series Crew 23