The plot takes place on a mansion owned by the new widow Birgitta von Carping (Berit Carlberg). Sten Stensson Steen (Nils Poppe) has rented a room in the manor. He accidentally arrives a month early and the carousel is in full swing.
| Actor | Role |
|---|---|
 Nils PoppeSten Stensson Stéen | Sten Stensson Stéen |
 Britta BillstenMärta Brolin | Märta Brolin |
| BBo LindströmSandeberg | Sandeberg |
 Berit CarlbergBirgitta von Carping | Birgitta von Carping |
 Hans-Peter EdhStefan Lindelöf | Stefan Lindelöf |
| SSture HovstadiusValdemar Willer | Valdemar Willer |
 Thomas UngewitterFabian Månsson | Fabian Månsson |
| AAnn-Charlotte BjörlingRos-Marie Willer | Ros-Marie Willer |