Examines laughter, its representation in film and its day to day function. Well known people from various backgrounds discuss the issue and what it means to them.
| Actor | Role |
|---|---|
 Michael PowellHimself | Himself |
| PPaul BoatengHimself | Himself |
 Barbara WindsorHerself | Herself |
 Hanif KureishiHimself | Himself |