We don't have a biography for Sydney Halliday yet. Hang in there, or go ahead and contribute one.
Appearances
NCIS: New Orleans
Guest cast, played by Riann Steele
- Episode 4x18: Welcome to the Jungle (Mar 27, 2018)
- Episode 4x20: Powder Keg (Apr 17, 2018)
- Episode 4x23: Checkmate, Part I (May 15, 2018)
- Episode 4x24: Checkmate, Part II (May 15, 2018)