An old favourite turned up on last weeks episode of Grimm, Mr Erick Avari guest starred as JP in the fourth season episode Highway of Tears. Erick was one of the very few actors who took their character from the movie into the tv series eventually appearing in three episodes of SG1 playing Kasuf. Over the years he has appeared in shows such as Heroes, Scorpion, Warehouse 13 and Babylon 5.
GRIMM IMDB & Official Site
Erick Avari IMDB