Ryan Robbins (born November 26, in Canada) is a renowned television actor. He has worked in major television shows such as Sanctuary, Stargate: Atlantis and also Battlestar Galactica.
However, he won't be returning in season 2. He tweeted :
"Super bummed I wasn't able do Mortal Kombat again. We REALLY tried though!
For those asking, it was a scheduling conflict that made me unable to do Mortal Kombat, definitely not lack of effort on either side."
Ryan Robbins at the Internet Movie Database