The IT Crowd has an actor in it called Chris Morris who plays Denholm Reynholm. It's possibly the worst thing he's done as a performer - I wasn't keen on Nathan Barley either - but I'd seriously recommend his earlier work to anyone interested in satire and social commentary who isn't already familiar with it.

The Day Today and Brass Eye series are still, in my mind, amongst the funniest things ever shown on television. I've a feeling they're not that well-known abroad but I think it's they are fantastic alternative to what is usually thought of as 'British comedy'. Even though they're almost 15 years old now, I think they stand-up really well. Clever, funny and 'near the knuckle'.

Chris Morris at Wiki
Brass Eye
The Day Today