, 
Patrick Brennan plays Liam
thepatbrennan "Rob is a classy dude...totally normal...he keeps it real.and that's rare."
Lisa Howard plays Siobhan
LisaHowardNYC "So glad to be working with Rob today. What a nice guy:-)"
Liam and Siobhan, together with Maggie make up the TwiSaga's Irish Coven
Breaking Dawn's Irish Coven Cast Tweets about Rob
