Overview
Engineer Kallio, who is searching for uranium, arrives at the summer hotel owned by Director Lehtelä, accompanied by his assistants Joltinen and Pummi and painter Väinö. The manager's daughter Anni, his wife Mammi, and hotel employee Sirkka try to figure out the guests' secret identities.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 23 | April 12, 2020 (84) | |
 | 32 | January 25, 2000 (73) | |
 | 20 | 86 | |
 | 32 | August 13, 1978 (51) | |
 | 53 | January 31, 1963 (57) | |
 | 56 | March 28, 1971 (68) | |
 | 45 | December 21, 1991 (77) | |
| 39 | November 9, 1987 (67) | |
 | 44 | May 6, 1975 (59) | |
| 46 | July 19, 1998 (85) |