Donald is shown in both animated and costumed form, interacting with emcee Dick Van Dyke and other cast members. The film not only shows Donald's life, but also depicts an extensive international tour that Donald went on in 1984 as well as showing various celebrities of the day wishing Donald happy birthday. The tour culminates in a parade in Donald's honor at Disneyland.
| Actor | Role |
|---|---|
 Dick Van DykeSelf - Host | Self - Host |
 Ed AsnerSelf | Self |
 Caitlyn JennerSelf (as Bruce Jenner) | Self (as Bruce Jenner) |
 Cloris LeachmanSelf | Self |
 Kenny RogersSelf | Self |
 Donna SummerSelf | Self |
 Andy WarholSelf | Self |
 Henry WinklerSelf | Self |
 John RitterSelf | Self |
 Anthony DanielsC-3PO | C-3PO |
 Kenny BakerR2-D2 | R2-D2 |
 Clarence NashDonald Duck (voice) | Donald Duck (voice) |
| JJohn HarlanAnnouncer | Announcer |