Her role as Delilah, however, remains one of the most ... Maria Bello Maria Bello joined the cast of NCIS as Dr. Jacqueline "Jack" Sloane, a forensic psychologist, from season 15 through season ...

Margo Harshman plays the role of Delilah Fielding in the NCIS series. She was introduced in season 11 of the series, which is one of the longest-running shows on CBS with 22 seasons on air.

Sean Murray as Special Agent Timothy McGee on the NCIS cast. Pic credit ... could we see a surprise appearance by his wife, Delilah? It would be fun to see actress Margo Harshman reprising ...

Since its premiere in 2003, the NCIS series has become one of the most successful and longest-running procedural dramas on television. Created by Donald P. Bellisario and Don McGill, the series ...