Apologies for the late reporting of this news, but The White Queen began on Super Channel in Canada on September 6th.  You can watch the first episode online at their website if you missed it, or it is repeated at the following times:

Sep 9 @ 1:00am on Super Channel 1
Sep 10 @ 11:05pm on Super Channel 2
Sep 11 @ 3:05am on Super Channel 2
Oct 6 @ 1:00pm on Super Channel 1

Andrew Gower appears in episodes 9 and 10 as Lord Strange.