Bugs' showbiz career is recounted from babyhood to stardom. Bugs and Elmer Fudd perform the title song.
| Actor | Role |
|---|---|
 Mel BlancBugs Bunny / Al Jolson / Eddie Cantor / Director (voice) | Bugs Bunny / Al Jolson / Eddie Cantor / Director (voice) |
| RRichard BickenbachBing Crosby (voice) (uncredited) | Bing Crosby (voice) (uncredited) |
 Arthur Q. BryanElmer Fudd (voice) (uncredited) | Elmer Fudd (voice) (uncredited) |