'Supernatural' Vet Packs For CBS' 'Island'
Cassidy will be paired with Christopher Gorham, who was previously added to the overhauled cast as the groom.
Most recently seen as Ruby on "Supernatural," Cassidy's credits include "Black Christmas" and "Click."
In other CBS recasting news,
Begley was nominated for six Emmys for his work on "St. Elsewhere." Last spotted in the HBO telefilm "Recount," he has a supporting role in the upcoming big screen comedy "