'Bob'

‘Bob’ appeared partway through the filming of the third series of CD Annex Mobile Seminar Suite and quickly attained a role on the regular cast. What is ‘Bob’? We just don’t know. As far as anyone can tell, ‘Bob’ has never appeared in anything else (or, indeed, anywhere else) before. ‘Bob’ vanished partway through the filming of the third series, leaving a hole in the cast (literally) and vague rumours of FBI interference.