Exclusive: Meredith Baxter to Guest-Star on Switched at Birth

Meredith Baxter Meredith Baxter will guest-star on ABC Family's Switched at Birth, TVGuide.com has learned solely. Baxter will have Bonnie Tamblyn Dixon, mom to Jum Thompson's character Kathryn and biological grandmother to Daphne (Katie LeClerc). Sparks fly and tension arrisses when she arrives for any family visit. ABC Family sets return dates for Pretty Little Liars, Laying Game and much more The guest place also marks a reunion between a couple of Michael J. Fox's imaginary moms Baxter was his mother on Family Ties while Thompson performed his mother at the spine towards the Future. Baxter can look in a single episode once the show returns Tuesday, Jan. 3 at 8/7c.