While working as a hotel busboy, aspiring bandleader Carlos Estrada tries to persuade singer Lolita Valdez to join him in a rhumba contest in Havana.
| Actor | Role |
|---|---|
 Desi ArnazCarlos Estrada | Carlos Estrada |
 Mary HatcherLolita Valdez | Lolita Valdez |
 Ann DoranMarge Henley | Marge Henley |
 Steven GerayLopez | Lopez |
 Minerva UrecalMama Valdez | Mama Valdez |
 Sig ArnoPepe | Pepe |
 Ray WalkerSam Keegan | Sam Keegan |
 Nacho GalindoPolice Sergeant | Police Sergeant |