The story is set in Helsinki's revue theater Punainen Mylly, run by Jalmari Haapala with Erkki Pajula as its lead singer. Between performances, dancer Kaarina and doctor Kalle are offered the chance for romance, despite some misunderstandings.
Henry Theel
Erkki Pajula

Ossi Elstelä
Jalmari Haapala

Siiri Angerkoski
Siiri Palmu
William Markus
Dr. Kaarlo Lehmus
Pirkko Niemelä
Kaarina Tuomo
Lasse Pöysti
Dr. Aarne Syrjä

Rakel Laakso
Matilda

Arvo Lehesmaa
Bernhard Lehmus
Anna-Liisa Hämeensalo
Lyydia

Kauko Käyhkö

Laila Rihte
Arttu Suuntala
Raila Halmevaara
(uncredited)
Leila Nieminen
(uncredited)
Maj-Lis Salo
(uncredited)