Joe Hilsee

Thomas Edison (voice)

Barry Kraft

Charles Batchelor / Jenkins (voice)

Victor Humphries

John Kreusi / J.P. Morgan (voice)

Paul O'Connor

Francis Upton (voice)

Sandy McCallum

Grosvenor Lowery (voice)

Dennis Reese

Lipton / Reporter #1 (voice)

Jamie Newcomb

Warwick (voice) (as Jaime Newcomb)

Ray Porter

Reporter #2 / Ludwig Boehm / Narrator (voice)