Deadline previously revealed exclusivelyin October that the trio was in final negotiations for series regular roles.
The project reunites Hardy and Ritchie, the latter directed the former in the big screen hitRocknRolla.
Mirren and Brosnan co-starred in NetflixsThe Thursday Murder Clubwhich wrapped shooting early last month.
Tom Hardy, Pierce Brosnan and Helen MirrenCourtesy/Greg Gorman/Maarten De Boer
