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.
| Actor | Role |
|---|---|
 Tab HunterJohn Truett | John Truett |
 Jane PowellEsther Smith | Esther Smith |
 Walter PidgeonAlonzo Smith | Alonzo Smith |
 Jeanne CrainRose Smith | Rose Smith |
 Reta ShawKatey | Katey |
 Ed WynnGrandpa | Grandpa |
 Myrna LoyAnna Smith | Anna Smith |
 Patty DukeTootie Smith | Tootie Smith |
 Kelly BrownLon Smith | Lon Smith |
 Donald SymingtonWarren Sheffield | Warren Sheffield |
| GGinger McManusAgnes Smith | Agnes Smith |
| DDickie OlsenJohnny | Johnny |
 Lois NettletonLucille Ballard | Lucille Ballard |
| EEdmund Gaynes(uncredited) | (uncredited) |