
"Monster of monsters! Big as a skyscraper!"
A mining engineer investigates the deaths of his colleagues, discovering prehistoric nymphs and a creature capable of flying - and wreaking havoc - at supersonic speeds.

Keye Luke
Shigeru Kawamura / Sunagawa / Toji (voice)
Aya Oyama
Kiyo / woman outside hospital / female honeymooner (voice)

George Takei
Dr. Kyuichiro Kashiwagi / Izeki / male honeymooner (voice)

Paul Frees
Nishimura / Suda / Dr. Tanaka / Air Force officer / Kitahara (voice)

Marvin Miller
Air Self-Defense Force commander / Air Force pilot / newsreader (voice)

James Yagi
Osaki / Professor Minami / hotel manager / farmer (voice)
Jane Chang
Otami (voice)
David Duncan
Narrator

Haruo Nakajima
Rodan / Meganulon (uncredited)

Kenji Sahara
Shigeru Kawamura

Keye Luke
Shigeru Kawamura / Sunagawa / Toji (voice)
Aya Oyama
Kiyo / woman outside hospital / female honeymooner (voice)

George Takei
Dr. Kyuichiro Kashiwagi / Izeki / male honeymooner (voice)

Paul Frees
Nishimura / Suda / Dr. Tanaka / Air Force officer / Kitahara (voice)

Marvin Miller
Air Self-Defense Force commander / Air Force pilot / newsreader (voice)

James Yagi
Osaki / Professor Minami / hotel manager / farmer (voice)
Jane Chang
Otami (voice)
David Duncan
Narrator

Haruo Nakajima
Rodan / Meganulon (uncredited)

Kenji Sahara
Shigeru Kawamura