Cast from Edison, the Man
Spencer Tracy
Thomas A. Edison
Charles Coburn
General Powell
Lynne Overman
Bunt Cavatt
Rita Johnson
Mary Stilwell
Gene Lockhart
Mr. Taggart
Felix Bressart
Michael Simon
Milton Parsons
'Acid' Graham
Arthur Aylesworth
Bigelow
Gene Reynolds
Jimmy Price
Addison Richards
Mr. Johnson
George Lessey
Toastmaster
Erville Alderson
First Lecturer
William Arnold
Minor Role
Harry C. Bradley
Preacher
Fritzi Brunette
Minor Role
James Carlisle
Party Guest
George Chandler
Gold Exchange Clerk
Walter Fenner
Man at Banquet
Arthur Stuart Hull
Broker
Eve Kendall
Marion Estelle Edison
Charles Lane
Second Lecturer
Ralph McCullough
Reporter
Edmund Mortimer
Party Guest
Alex Novinsky
Party Guest
William H. O'Brien
Waiter
Count Stefenelli
Party Guest
Charles Waldron
First Commissioner
Frank Whitbeck
Trailer Narrator (voice)