Summary
A serial killer from Liz's past strikes again while Red hunts for his betrayer.
Guest stars
Alan Alda,
Amir Arison,
Charles Baker,
Deborah S. Craig,
Dominik Tiefenthaler,
Eisa Davis,
Frank Pando,
Frank Whaley,
Graham Winton,
Hisham Tawfiq,
Jane Alexander,
Kate Nowlin,
Neal Matarazzo,
Shirley Roeca,
Victor Slezak