Tar Steam Princess Armada travels along Lake Saimaa to St. Petersburg and back during the years of Russian rule over Finland. The ship's crew gets tired of their sophisticated coffee maker and replaces her with Roma girl Veera, who has escaped from an arranged marriage. On the way back, mysterious passengers appear on the ship.
| Actor | Role |
|---|---|
 Assi NortiaVeera | Veera |
 Elna HellmanDaaria | Daaria |
 Elsa TurakainenTolka Prtsjenski | Tolka Prtsjenski |
 Veikko UusimäkiZingali | Zingali |
 Rolf LabbartRichard | Richard |
| KKalle ViherpuuSkipper | Skipper |
 Uuno LaaksoRääveli | Rääveli |
 Hannes HäyrinenVenskinpoika | Venskinpoika |
 Eero RoineSalomo | Salomo |
 Olavi VirtaPekka | Pekka |
 Tuija HalonenSusanna Mäkilä | Susanna Mäkilä |
| HHannes KallioJuhannes | Juhannes |
| MMatti AroIso-Hagert | Iso-Hagert |
 Eino KaipainenKarkuri | Karkuri |
 Kaarlo WilskaUrkkija | Urkkija |
| KKaarlo HiltunenMasinisti | Masinisti |
 Mirja ManeJuliska | Juliska |
| KKaarlo KarppanenHuvimenojen ohjaaja | Huvimenojen ohjaaja |
| VVäinö LuutonenJantsu (uncredited) | Jantsu (uncredited) |
| OOlavi Suominen(uncredited) | (uncredited) |
| MMaija Autio(uncredited) | (uncredited) |
| LLea Penttinen(uncredited) | (uncredited) |
| BBoris Levitsky(uncredited) | (uncredited) |
 Kauko Käyhkö(uncredited) | (uncredited) |
| OOsmo Harkimo(uncredited) | (uncredited) |
| PPentti Valkeala(uncredited) | (uncredited) |
| AAntero Ruuhonen(uncredited) | (uncredited) |