Liza Lee, fast-talking press agent for Al Jarvis, persuades Jarvis to stage a Musical Mystery Contest, with a $5000 prize to the person who can first name the most musical numbers and their performers. Lots of musicians perform.
| Actor | Role |
|---|---|
 Ruth WarrickLiza Lee | Liza Lee |
 Jerome CourtlandGene Thomas | Gene Thomas |
 Ron RandellLeslie Todd | Leslie Todd |
 Adele JergensSelf | Self |
 Virginia WellesJosie Marlowe | Josie Marlowe |
 Jimmy DorseySelf | Self |
 Nat King ColeSelf | Self |
 Frankie LaineSelf | Self |
 Kay StarrSelf | Self |
 Gene KrupaSelf | Self |