The funny thing is that I probably do know Ben - small place!
I take it you don't subscribe to the theory that everyone wants to be a movie star - or at the very least fuck one.
There are, however, many options for the Ryan Knox's of the world - a walk-on scene as a couch cleaner (popularised by bono-one?), or, for the shy types, wearing a gimp mask in a crowd scene in an Eon McKai movie!