Top Billed Cast

1. 

   Tadao Takashima

   Tasumo Hatanaka

2. 

   Yōko Fujiyama

   Makoto Jinguji

3. 

   Yū Fujiki

   Yoshito Nishibe

4. 

   Kenji Sahara

   Uto Omino

5. 

   Ken Uehara

   Admiral Kosumi

6. 

   Hiroshi Koizumi

   Inspector

7. 

   Jun Tazaki

   Captain Hachiro Jinguji

8. 

   Yoshifumi Tajima

   Tome 'Amano' Amanoshome

9. 

   Akihiko Hirata

   Mu Agent #23

10. 

    Hideyo Amamoto

    High Priest of Mu

11. 

    Susumu Fujita

    Defense Commander

12. 

    Minoru Takada

    Government Official

13. 

    Hisaya Ito

    Shindo

14. 

    Ikio Sawamura

    Taxi Driver

15. 

    Tetsuko Kobayashi

    Empress of Mu

16. 

    Akemi Kita

    Rimako - Sneezing Model

17. 

    Hiroshi Hasegawa

    Liuetenant Fuji

18. 

    Nadao Kirino

    Kidnapped Scientist

19. 

    Shin Ōtomo

    Government Official

20. 

    Haruya Sakamoto

    Sergeant Yamada

21. 

    Tetsu Nakamura

    Warship Captain

22. 

    Yutaka Nakayama

    Sailor

23. 

    Mitsuo Tsuda

    Defense Agency Executive B

24. 

    Kôji Uno

    Police Officer

25. 

    Sadako Amemiya

    Memoko - Girl in Susumu's studio

26. 

    Rinsaku Ogata

27. 

    Hideo Ôtsuka

28. 

    Yutaka Oka

    Man of Bus

29. 

    Yukihiko Gondô

    Military Henchman

30. 

    Shōichi Hirose

    Mu Henchman

31. 

    Katsumi Tezuka

    Mu Henchman

32. 

    Takuzō Kumagai

    (as Jirô Kumagai)

33. 

    Yasuzō Ogawa

    Mu Henchman Beside High Priest of Mu

34. 

    Shirō Tsuchiya

    Senior Officer

35. 

    Wataru Ōmae

    Police Officer

36. 

    Osman Yusuf

    Mu Submarine Crewman

37. 

    Toshio Miura

38. 

    Masayoshi Kawabe

39. 

    Hiroshi Akitsu

40. 

    Hideo Shibuya

41. 

    Keisuke Yamada

42. 

    Shinjirô Hirota

43. 

    Keisuke Yamaji

44. 

    Kuniyoshi Kashima

45. 

    Hal Archer

    Detective Ito (voice)

46. 

    Sanjay Mamohan Berry

    One of Mu Imperials

47. 

    Bin Furuya

    JSDF member

48. 

    Kazuo Hinata

    Defense Agency Executive

49. 

    Eisaburo Komatsu

    Sergeant Goten Kenbutai

50. 

    Akio Kusama

    Todoroki Takashi, Ken Taketai officersI

51. 

    Keiji Sakakida

    Mt. Mihara Climber

52. 

    Kamayuki Tsubono

53. 

    Enver Altenbay

    Minor Role (uncredited)

54. 

    Ralph Jesser

    One of Mu Imperials (uncredited)

55. 

    Haruo Nakajima

    Mu Empire man / Self Defense Forces exec

56. 

    Ted Thomas

    Jinguji / High Priest (voice) (uncredited)