A year in the life of a turn-of-the-century middle class family, leading up to the opening of the 1904 St. Louis World's Fair.

Tab Hunter
as John Truett

Jane Powell
as Esther Smith

Walter Pidgeon
as Alonzo Smith

Jeanne Crain
as Rose Smith

Reta Shaw
as Katey

Ed Wynn
as Grandpa

Myrna Loy
as Anna Smith

Patty Duke
as Tootie Smith

Kelly Brown
as Lon Smith

Donald Symington
as Warren Sheffield