Dr. Lorenc selects excerpts from older Czech films for a symposium on laughter.
| Actor | Role |
|---|---|
 Zlata AdamovskáNot listed | Not listed |
 Václav SloupNot listed | Not listed |
 Josef BláhaNot listed | Not listed |
 Vladimír KrškaNot listed | Not listed |
 Míla MyslíkováNot listed | Not listed |
 Jaroslav MoučkaNot listed | Not listed |
 Karolina SlunéčkováNot listed | Not listed |
| JJan BurianMusician | Musician |
 Pavel FořtMusician | Musician |
| VVladimír HruškaMusician | Musician |
| VVincenc KummerMusician | Musician |
| RRudolf RoklMusician | Musician |
 Felix SlováčekMusician | Musician |
| JJan SpálenýMusician | Musician |
| LLadislav ŠtaidlMusician | Musician |
| VVáclav TýfaMusician | Musician |
| JJan ŽižkaMusician | Musician |
| FFrantišek UlrychMusician | Musician |