Inventor Goro Ibuki

Hiroshi Jinkawa

Rokuro 'Roku-chan' Ibuki

Japan Special Defense Forces Chief

Lead Seatopian Agent

Seatopian Agent

Truck Driver's Assistant

Man from Unit 1

Emperor Antonio of Seatopia

Truck Driver

Antonio's Aide (Radio Operator in White)

Godzilla

Megalon

Jet Jaguar

Jet Jaguar

Gigan (as Kengo Nakayama)

Emperor Atonio of Seatopia (voice)

Narrator

Godzilla (archive footage) (uncredited)

Directing

Production

Camera

Editing

Sound

Art

Directing

Sound

Lighting

Writing

Sound

Production

Visual Effects

Visual Effects

Crew

Visual Effects

Crew

Visual Effects

Writing

Writing

Directing

Visual Effects

Crew

Costume & Make-Up

Costume & Make-Up

Costume & Make-Up

Costume & Make-Up

Costume & Make-Up

Visual Effects

Visual Effects

Visual Effects

Visual Effects

Directing

Crew