Discover
During the week of Halloween, a murderous psychopath taunts the team by using the Internet to leave clues to the next victim's identity.
Original Release
10/28/2008
US Release
10/28/2008
Cast
| Name | Character |
|---|
| Mark Harmon | Leroy Jethro Gibbs |
| Michael Weatherly | Anthony DiNozzo / Tony DiNozzo |
| Cote de Pablo | Ziva David |
| Pauley Perrette | Abby Sciuto |
| Sean Murray | Timothy McGee |
| Rocky Carroll | Leon Vance / NCIS Director Leon Vance |
| David McCallum | Donald Mallard / Dr. Donald 'Ducky' Mallard |
| Brian Dietzen | Jimmy Palmer |
| Max Gail | Sam Loomis |
| Patrick J. Adams | Tommy Doyle |
Directors
Writers
Creators
Don McGill, Donald P. Bellisario
Cast
| Name | Character |
|---|
| Mark Harmon | Leroy Jethro Gibbs |
| Michael Weatherly | Anthony DiNozzo / Tony DiNozzo |
| Cote de Pablo | Ziva David |
| Pauley Perrette | Abby Sciuto |
| Sean Murray | Timothy McGee |
| Rocky Carroll | Leon Vance / NCIS Director Leon Vance |
| David McCallum | Donald Mallard / Dr. Donald 'Ducky' Mallard |
| Brian Dietzen | Jimmy Palmer |
| Max Gail | Sam Loomis |
| Patrick J. Adams | Tommy Doyle |
| Naama Kates | Rose Woodhouse |
| Kristen Bush | Sergeant Alice Hardy |
| Timothy Rettele | Corporal Jack Burell |
| Charles Noland | Bob Simms |
| Brian Groh | Billy Cole |
| Mike Kersey | Janitor Harry Cooper |
| Kent Shocknek | Guy Ross |
| Gary Brolsma | Self |
Producers
| Name | Role |
|---|
| Donald P. Bellisario | Executive Producer |
| Shane Brennan | Executive Producer |
| Frank Cardea | Executive Producer |
| Dan E. Fesman | Executive Producer |
| Mark Horowitz | Executive Producer |
| Chas. Floyd Johnson | Executive Producer |
| George Schenck | Executive Producer |
| Mark Harmon | Producer |
| Steven D. Binder | Producer |
| David Bellisario | Producer |
| Avery C. Drewe | Producer |
| Alfonso H. Moreno | Producer |
| David J. North | Producer |
| Richie Owens | Producer |
| Joshua Rexon | Producer |
| Mark R. Schilz | Producer |
| Reed Steiner | Producer |
| Jesse Stern | Producer |
| Julie B. Watson | Producer |
