Postwar Germany, May 1945. American city commander Tom Keller appoints engineer Walter Reinhardt as acting mayor of a small town in southern Germany. At the same time, he helps student Maria put on a musical show and, as an avid jazz fan, joins the tour as a conductor during his vacation.
| Actor | Role |
|---|---|
 Margot HielscherMaria Neubauer | Maria Neubauer |
 Hans SöhnkerWalter Reinhardt | Walter Reinhardt |
 Peter van EyckTom Keller | Tom Keller |
 Hannelore BollmannHerta | Herta |
 Bobby ToddCesare | Cesare |
 Heidi ScharfRenate | Renate |
| IIska GeriNot listed | Not listed |
| MMadelon TrußNot listed | Not listed |
| WWerner ScharfenbergerNot listed | Not listed |
 Oliver HassencampNot listed | Not listed |
 Johannes BuzalskiNot listed | Not listed |