Janet Di Lauro / Soap Opera Digest:
Exclusive: Emily O'Brien (Theresa) Says Good-Bye To DAYS — Last October, Emily O'Brien, who had begun playing Gwen Rizczech on Days of Our Lives in 2020, exited the canvas in that role — and in the same day, she made her debut as a different character, Theresa Donovan, who had previously been played by Jen Lilley.
