A renowned and influential inventor celebrated for his role in developing the lightbulb, who engages in numerous legal and business conflicts to maintain his dominance in the electrical industry.

A competitive and confident business mogul leading Westinghouse Electric Company, known for his rivalry with Edison and support of Nikola Tesla's alternating current system.

An innovative and brilliant engineer whose visionary ideas and disinterest in commercial success set him apart from other inventors, contributing significantly to the development of alternating current technology.

A talented opera singer with a complex background, who becomes Paul’s love interest and is admired for her strength, wit, and compassion.

The resourceful mother of Agnes Huntington who orchestrates their rise from poverty to high society, always cautious of her past being uncovered.

The inventive creator of the telephone, who is known for his unique approach to innovation and plays a pivotal role in aiding Paul's legal endeavors.

A powerful financier with significant influence in the electrical industry, participating in strategic business moves and corporate alliances to shape the marketplace.

A journalist and former inventor responsible for a controversial campaign against alternating current, using dramatic demonstrations to influence public perception.

Tesla’s lawyer, who leverages his negotiation skills and scientific knowledge to secure favorable terms for Tesla in legal matters.

The supportive and serene wife of George Westinghouse, offering hospitality and encouragement in social and professional contexts.