Light, a 2012 Tony Award winner for her performance in Other Desert Cities, will join the second season of TNT's "Dallas," which is scheduled to return Jan. 28, 2013. She will play an "authoritative and controlling" woman who fights to protect the people she loves.
Barbeau, who was Tony-nominated for her performance as Betty Rizzo in Broadway's Grease, will appear on the ABC drama "Revenge." She has been cast as Victoria's mother, Mama Harper, described as "somebody who knows how to use people."
Barbeau has also been seen on Broadway in Fiddler on the Roof.