According to the article you link which was posted before the series aired, but not according to IMDB or Wikipedia which anybody could have edited with sources in the 12 years since:

https://www.imdb.com/title/tt2223847/fullcredits

https://en.wikipedia.org/wiki/World_Tomorrow

(Or if you actually have a real source for "RT funded it" then you should update Wikipedia and IMDB)