Calificación
Reparto

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)