Margo Cathleen Harshman is an American actress known for her role as Tawny Dean on Even Stevens, on The Big Bang Theory as Sheldon Cooper's assistant, Alex Jensen, and as Delilah McGee, Timothy McGee's paraplegic wife on NCIS.
Nancy Drew gets called to an abandoned mansion in Georgia to help search for a young woman from a prominent family who disappeared during her bachelorette party.
