Marty Feldman, for many years a successful comedy writer before turning to performing, explores humour through the people who create it, comparing their traditions, motivations and anxieties with his own. Among the people Marty talks to are Peter Sellers, Eric Morecambe, Peter Brough and Archie Andrews, Dudley Moore and Barry Took.
| Actor | Role |
|---|---|
 Marty FeldmanNot listed | Not listed |
 Dudley MooreNot listed | Not listed |
 Peter SellersNot listed | Not listed |
| JJohnny SpeightNot listed | Not listed |
 Eric MorecambeNot listed | Not listed |
 Ernie WiseNot listed | Not listed |
| PPeter BroughNot listed | Not listed |
 Denis NordenNot listed | Not listed |
 Barry TookNot listed | Not listed |
| JJon HendricksNot listed | Not listed |
 Annie RossNot listed | Not listed |
 Sandy PowellNot listed | Not listed |