Credited cast overview:
Myron Healey .... Commander James Bradley
Tsuruko Kobayashi .... Anna
Clifford Kawada .... Captain Kishi
Kôzô Nomura .... Paul Isoh
Ayumi Sonoda .... Shidori Isoh
Derick Shimatsu .... Matsu, the boy
rest of cast listed alphabetically
Hiroshi Hisasume
Yoneo Iguchi
Hideo Inamura
Roy K. Ogata
George Sasaki
Michael Sung
Katsumi Tezuka .... Varan (archive footage)
Runtime: USA:70
Country: USA
Language: English
Color: Black and White
Sound Mix: Mono
Certification: USA:Unrated
(Above is from ImdB, first line below is from video box cover)
70 minutes, B&W, Released in 1961, Not Rated
(Japanese version: "Great Creature Baran" 1958)