Jason Robards
Narrator (voice)
Erik Barnouw
Self - Historian
Susan Douglas
Self - Historian
Garrison Keillor
Self - Writer
Fred Allen
Self - Predicts Demise of Radio (archive footage)
Gene Autry
Self - Sings (archive sound)
John Barrymore
Hamlet (archive sound)
Winston Churchill
Self - Finest Hour Speech (archive sound)
Lee De Forest
Self - Objects to Quality of Radio Programming (archive footage)
Ralph Edwards
Self - Host of 'This Is Your Life' (archive footage)
Dwight D. Eisenhower
Self - Announces Landing in Normandy (archive footage)
Marie Mosquini
Self - with Lee De Forest (archive footage)
Nelson Rockefeller
Self - Eulogizes Sarnoff (archive footage)
Franklin D. Roosevelt
Self - Makes Broadcast About Banking Reform (archive footage)
Frank Sinatra
Self - Serenades Sarnoff (archive footage)
Arturo Toscanini
Self - Conducts NBC Symphony (archive footage)
Harry S. Truman
Self - Announces Bombing of Hiroshima (archive sound)
Orson Welles
Self - Professor in War of the Worlds Broadcast (archive sound)