Sean Murray joined NCIS in the show’s seventh episode, yet he previously appeared in Jag. Since NCIS is a Jag spinoff — though going on to boast more acclaim than its predecessor — the actor ...

Schenck was promoted to co-executive producer for NCIS season 5, crafting the story around Jennifer Shepard (Lauren Holly) and her revenge plot against Rene Benoit ... such as Sean Murray and ...