Gayne Whitman

as Narrator

Erville Alderson

as Thomas Jefferson (edited from 'Romance of Louisiana')

Don Ameche

as Alexander Graham Bell (archive footage)

Heather Angel

as Virginia Randolph (edited from 'Daniel Boone')

George Arliss

as Alexander Hamilton (edited from 'Alexander Hamilton')

Edward Arnold

as Diamond Jim Brady (edited from 'Diamond Jim')

Felix Aylmer

as Lord Palmerston (edited from 'Victoria the Great')

George Bancroft

as (archive footage)