Reparto (por orden de créditos)
Steve Allen
Self - Host
Jack Benny
Self
Richard J. Daley
Self - Mayor of Chicago
Everett Dirksen
Self - U.S. Senator from Illinois
Buckminster Fuller
Self - architect
Dave Garroway
Benny Goodman
Bob Hope
Mahalia Jackson
Otto Kerner
Self - Governor of Illinois
Gene Krupa
Kukla
Self - puppet
Mercedes McCambridge
Newton Minow
Ollie
Charles Percy
Win Stracke
Self - composer
Studs Terkel
Burr Tillstrom
Mark Van Doren
Self - Pulitzer Prize-winning poet
Teddy Wilson