Celebrity cameos can be a bit of a double edged sword. When they work well,
they're a stroke of genius. When they don't, they're embarrassing for all
concerned.
Ricky Gervais has built an entire series around them, and in season two of
hit UK comedy programme Extras he's landed some really good ones.
The series is based around extra Andy Millman, played by Gervais, and his
ever patient sidekick Maggie, played by Ashley Jensen.
The confirmed list of cameos include:
Diana Rigg, Moira Stewart, Richard Briers, Ronnie Corbett, Stephen Fry - and
that's just the less exciting ones.
The big, big names are David Bowie, Coldplay's Chris Martin, Orlando Bloom,
Sir Ian McKellen, Daniel Radcliffe (aka Harry Potter) and Germaine Greer.
With that kind of line-up, it's looking like at least two of them in every
show. A true feast of acting talent, all willing to send themselves
up.