As great a player as Jackie Parker was, to the best of my knowledge, he was never chosen as a defensive all-star. He was in my opinion the greatest all-round player in CFL history though.
I just mentioned him in the other thread....John Barrow. Barrow has the CFL record for the most All-Star team nominations in history an astounding 16 selections spread out over an 14 year career(57-70) on both sides of the ball as a D-Linemen as well as an O-Linemen. He was also selected as the CFL's Lineman of the Century.
I posted his bio in the other thread but will re-post it here just in case anybody missed it.....