The beloved stage and TV star will play the Magic Mirror, opposite Star Trek: The Next Generation actress Marina Sirtis, in the festive production. Sirtis will play the Wicked Queen.
The show will feature choreography from Dancing With the Stars professional Mark Ballas and will run at the El Portal Theater from 30 November to 18 December (11).
The production follows the success of Cinderella at the same theatre last Christmas (10). That pantomime featured Leave it to Beaver child star Jerry Mathers, Broadway sensation Jennifer Leigh Warren and Harry Potter actor Cormac McLaggen.
Harris helped producer Nigel Lythgoe pick Cinderella from open auditions last year (10).