Gamera vs. Zigra

A quick-thinking, brave child who refuses to submit to fear. He and his father, along with Helen Wallace, take decisive action to escape the alien vessel by manipulating the ship’s controls. His curiosity drives the plot forward and he serves as a catalyst for Earth’s response to the invasion.

A skilled scientist who remains calm under pressure and resists the alien hypnosis affecting others. He collaborates with colleagues to devise ways to wake Gamera and counter Zigra’s threat. His leadership and scientific insight are central to the human defense.

A courageous ally to Kenichi, she supports the effort to escape and survive. Her alliance with Kenichi and her father strengthens the human front against the invaders. She embodies determination and practical resilience in the face of danger.

A determined scientist who becomes entangled in the crisis and keeps focus on the mission to protect the Earth. He works alongside Ishikawa to analyze the alien threat and coordinate responses. His resolve helps sustain the defense efforts under pressure.

An Earthwoman who is revealed to be under Zigra’s control before the truth is uncovered. Her arc explores themes of manipulation and revelation, culminating in a shift toward human autonomy. She embodies the complexities of identity under alien influence.

The alien threat at the heart of the film: a powerful, adaptable menace with a strategic mind. Zigra seeks Earth’s seas as a new home, using hypnotic control to advance his objectives before facing Gamera in a decisive confrontation. He embodies the terror of an unseen invader with cunning and force.

Key facility personnel who help identify a way to counter the alien hypnosis. Their work with sonic waves represents a scientific approach to breaking mind control. They contribute crucial operational support during the defensive response.