The brilliant inventor of the Jupiter balloon and leader of the expedition. Commissioned by the British Prime Minister to cross Africa in five weeks and plant the national flag at the Volta River to counter slave traders. He maintains scientific composure throughout numerous crises, navigates political demands for witnesses, and ultimately guides the vessel to secure the territory despite severe damage.
Inventor and lead pilot working in tandem to control the aerial vessel.
Royal Society head who opposes the professor's methods but ultimately acknowledges his success.
Government official who authorizes and funds the aerial military expedition.
Rescued American teacher who becomes part of the official aerial expedition team.
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