When Keppler (Liev Schreiber) and Catherine are processing the body at the first scene, Catherine notices some white fibers, and Keppler says 'I'm guessing cotton'. One of Kiev's most notable roles was Cotton Weary in the Scream Trilogy.
Paul Guilfoyle (Brass) and Liev Schreiber (Keppler) both appeared in Ransom (1996) with Gary Sinise of CSI: NY (2004) (on various sides of the law).
Even though they don't even appear in the same episode or season Liev Schebler and Paula Malcomson would go on to play husband and wife in the hit show "Ray Donovan" (2013) Liev would appear in several episodes in seaaon 7 and Paula would appear in seaaon 9 episode 12.