A rather common thing for British actors and those of other nationalities to do: decide that they could be better served in their career by going to Los Angeles
It's the most influential and pervasive film industry in the world. If you want to be not just a national but an international star you pretty much have to spend at least some time there.
The popularity of British actors is also due to the fact that they are a) cheaper, b) less likely to be doing films and c) less likely to be barred from gay roles by their agents. And then there's this final selling point for the Hollywood studios, probably the most important: They speak English!
Oddly, Brits and Europeans seem to have an above average chance of playing villains
... See Fake American
for when they put on the accent as well.
- On Extras, Andy tells his agent he want to get on "cool shows- American shows". In the Christmas special, Andy's agent tells him he's had an offer for a movie (Andy perks up)... a British movie (Andy wilts).
- In The TV Set Ioan Gruffudd plays Richard McCallister, a TV executive who moves from England to Los Angeles to take a job as second-in-command at a fictional TV network, which is headed by Lenny (Sigourney Weaver). Richard tries to counter-balance Lenny's fervent desire for high ratings by emphasizing the need for quality programming and preserving the writer's wishes. Richard's wife Chloe, played by Lucy Davis, hates Los Angeles and eventually leaves Richard to return to England.
- The dream of the titular (Irish) character from Badly Drawn Roy is to go to Hollywood and try to make it big. He's eventually able to go because of donations from the community and he's shown doing odd jobs at the Walk of Fame. Whether or not he actually becomes famous is left up in the air.
- The premise of Episodes is that of a husband-and-wife team of British television writers finding themselves living this trope, with all its attendant pitfalls.