Rhea will play Wicked Queen Morgana in Show White at the Gracie Fields theatre in Rochdale.
Rhea will join previously announced Austin Armacost as Prince Charming and a digital appearance by Russell Grant as the Man in the Mirror.
Further star casting will be announced very shortly.
Tickets available now from www.graciefieldstheatre.com
See our list of ex-Coronation Street cast members who are playing in panto this Christmas
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