Documentary featuring original materials from the 1939 New York World's Fair. Includes film images of Jason Robards Jr. as a child at the World's Fair and clips from the promotional film "The Middleton Family at the New York World's Fair" (1939).
| Actor | Role |
|---|---|
 Jason RobardsSelf / Narrator | Self / Narrator |
| AAdora AndrewsGrandma Middleton (archive footage) | Grandma Middleton (archive footage) |
 Ruth LeeMom Middleton (archive footage) | Mom Middleton (archive footage) |
| MMarjorie LordBabs Middleton (archive footage) | Babs Middleton (archive footage) |
 Jimmy LydonBud Middleton (archive footage) | Bud Middleton (archive footage) |
 Ray MiddletonSelf - Vocalist (archive footage) | Self - Vocalist (archive footage) |
 Harry ShannonPop Middleton (archive footage) | Pop Middleton (archive footage) |
| DDouglas StarkJim Treadway (archive footage) | Jim Treadway (archive footage) |