Cast 46

1. 

   Akira Kubo

   Katsuo Yamabe

2. 

   Jun Tazaki

   Dr. Yoshido

3. 

   Yukiko Kobayashi

   Kyoko Manabe

4. 

   Yoshio Tsuchiya

   Dr. Otani

5. 

   Chōtarō Tōgin

   Ogata

6. 

   Yoshifumi Tajima

   General

7. 

   Kenji Sahara

   Commander Nishikawa

8. 

   Heihachirō Ōkawa

   Engineer

9. Kyôko Ai

   Kilaak Queen

10. Andrew Hughes

    Dr. Stevenson

11. 

    Ikio Sawamura

    Old Farmer

12. Yoshio Katsuda

    Young Scientist

13. Hisaya Ito

    Major Tada

14. 

    Yutaka Sada

    Police Officer

15. Hiroshi Okada

    Hospital Doctor

16. 

    Hideo Shibuya

    1st Reporter

17. 

    Nadao Kirino

    1st Detective

18. Yutaka Oka

    2nd Detective

19. Kamayuki Tsubono

    3rd Detective

20. Seishirō Kuno

    SY-3 Engineer

21. 

    Ken'ichirō Maruyama

    Moon Base Employee

22. Kenzo Echigo

    SY-3 Engineer

23. Wataru Ōmae

    SY-3 Astronaut

24. 

    Naoya Kusakawa

    SY-3 Astronaut

25. 

    Kazuo Suzuki

    Kilaak Controlled Staffer (uncredited)

26. 

    Tôru Ibuki

    Kilaak Controlled Staffer (uncredited)

27. 

    Susumu Kurobe

    Kilaak Controlled Staffer (uncredited)

28. Minoru Itō

    Kilaak Controlled Staffer (uncredited)

29. 

    Rinsaku Ogata

    1st Officer (uncredited)

30. Haruya Sakamoto

    2nd Officer (uncredited)

31. Yukihiko Gondô

    Soldier (uncredited)

32. Rei Maki

    Kilaak (uncredited)

33. Masaaki Tachibana

    Officer Announcing Monsters' Arrival (uncredited)

34. Saburô Iketani

    News Reader (uncredited)

35. Atsuko Takahashi

    Kilaak (uncredited)

36. Yoshio Miyata

    Kilaak (uncredited)

37. Ari Segawa

    Kilaak (uncredited)

38. Kyoko Mori

    Kilaak (uncredited)

39. Midori Uchiyama

    Kilaak (uncredited)

40. Wakako Tanabe

    Kilaak (uncredited)

41. Michiko Ishii

    Kilaak (uncredited)

42. 

    Haruo Nakajima

    Godzilla / Military Advisor

43. Yû Sekita

    Anguirus

44. Teruo Nigaki

    Rodan

45. Susumu Utsumi

    King Ghidorah

46. 'Little Man' Machan

    Minilla

Crew 15