Series Cast 33

1. 

   Frank Welker

   Megatron (voice) (65 Episodes), Soundwave (voice) (1 Episode), Skyquake (voice) (1 Episode)

2. 

   Josh Keaton

   Jack Darby (voice) (65 Episodes), Tailgate (voice) (1 Episode)

3. 

   Peter Cullen

   Optimus Prime (voice) (65 Episodes)

4. 

   Jeffrey Combs

   Ratchet (voice) (65 Episodes)

5. 

   Tania Gunadi

   Miko Nakadai (voice) (65 Episodes)

6. 

   Kevin Michael Richardson

   Bulkhead (voice) (65 Episodes)

7. 

   Ernie Hudson

   Agent William Fowler (voice) (65 Episodes)

8. 

   Andy Pessoa

   Rafael "Raf" Esquivel (voice) (65 Episodes)

9. 

   Sumalee Montano

   Arcee (voice) (65 Episodes)

10. 

    Steve Blum

    Starscream (voice) (65 Episodes)

11. 

    Daran Norris

    Knock Out (voice) (65 Episodes)

12. 

    David Sobolov

    Shockwave (voice) (14 Episodes)

13. 

    Nolan North

    Smokescreen (voice) (13 Episodes)

14. 

    Michael Ironside

    Ultra Magnus (voice) (13 Episodes)

15. 

    Adam Baldwin

    Breakdown (voice) (11 Episodes)

16. 

    Clancy Brown

    Silas (voice) (8 Episodes)

17. 

    Tony Todd

    Dreadwing (voice) (8 Episodes)

18. 

    Gina Torres

    Airachnid (voice) (8 Episodes)

19. 

    Markie Post

    June Derby (voice) (7 Episodes)

20. 

    John Noble

    Unicron (voice) (4 Episodes)

21. 

    Peter Mensah

    Predaking (voice) (4 Episodes)

22. 

    Alexandra Krosney

    Sierra (voice) (3 Episodes)

23. 

    George Takei

    Alpha Trion (voice) (2 Episodes)

24. 

    David Kaye

    Hardshell (voice) (2 Episodes)

25. 

    James Horan

    Wheeljack (voice) (1 Episode)

26. 

    Richard Green

    Skyquake (voice) (1 Episode)

27. 

    Dwayne Johnson

    Cliffjumper (voice) (1 Episode)

28. 

    Will Friedle

    Bumblebee (voice) (1 Episode)

29. 

    Billy Brown

    Cliffjumper (voice) (1 Episode)

30. 

    Reggie Bannister

    Museum Security Guard (voice) (1 Episode)

31. 

    Brad Raider

    Vince (voice) (1 Episode)

32. 

    John DiMaggio

    Vogel (voice) (1 Episode)

33. 

    Robert Forster

    General Bryce (voice) (1 Episode)

Series Crew 37