Sarah Walker, time to reunite with your mom!

EW has learned that Cheryl Ladd has been cast as Emma, the long lost mom of Sarah Walker (Yvonne Strahovski), on NBC’s Chuck. Apparently, Emma and Sarah have a complicated past and haven’t seen each other in five years. We’ll find out why in episode 508, which will air in January.

Ladd is keeping busy this fall. As we first reported, Ladd will guest star as Ducky’s (David McCallum) love interest on NCIS later this month. And we’re still holding out hope that she snags a guest spot on the Charlie’s Angels reboot at ABC. Ladd played Kris Munroe from ’77 to ’81 on the original Angels.

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