The Online Network announced two cast additions today. Brooke Newton, who has appeared on GLEE and MAD MEN, will take on the role of Colby Chandler, daughter of Adam and Liza. The part was last played by Natalie Hall from 2009-11. Newton will first appear on May 16. In addition, Jason Pendergraft will play the part of Dr. Anders, described as an "all-business physician." Pendegraft played the short-term role of Lance on ATWT and had a multi-episode run on ARMY WIVES as Dr. Blake Hanson. He'll debut on May 27.