After she enters the United States illegally, 15-year-old Polish singer Katri Walenska finds herself under the wing of aspiring singer Terry Brennan. Soon, Terry has Katri booked on a TV talent show, but her immigration status may cause a problem.
| Actor | Role |
|---|---|
 Rosemary ClooneyTerry Brennan | Terry Brennan |
 Anna Maria AlberghettiKatri Walenska | Katri Walenska |
 Lauritz MelchiorJan Poldi | Jan Poldi |
 Fred ClarkMcDougall | McDougall |
 Lloyd CorriganMiller | Miller |
 John ArcherDave Parish | Dave Parish |
 Don WilsonRadio Announcer | Radio Announcer |
| BBob WilliamsHomer Tirdell | Homer Tirdell |