Sergeant Kalle Ryhmy, Second Lieutenant Ville Romppainen, and Mörökölli the cat travel from the front lines to Helsinki for a vacation. The trio, traveling by train, rescue the mysterious beauty Dora and Argentine war reporter Santa Rosa from a snowdrift, who lead them on the trail of an international spy ring hunting for military secrets.
Sergeant Major Kalle Ryhmy
Lieutenant Ville Romppainen
Dora Rastola
Santa Rosa
Kars
Virt
Colonel Rastola
Lieutenant Kanera
Santtu
Jallu
Mrs. Hölppänen
Director Hölppänen
Innkeeper
Manti
Police Constable
Nightclub Singer (uncredited)
Colonel's Housemaid (uncredited)
Sergeant Vuoksinen (uncredited)
Soldier / Unmasked Stranger (uncredited)