“Unfinished Business” quotes from Criminal Minds

Scoot McNairy as King Lizard

Phil LaMarr as Salamander, Lucan

Stephen Root as Dr. Elias Brandyworth

Lance Reddick as Steven Erickson

Cleveland Berto as Benjamin Taylor / Nightboy / Darkwing II

Cliff Curtis as Paul

Daveed Diggs as Theo

Lea Thompson as Carol

Rob Delaney as Nuolzot

Paul F. Tompkins as the Narrator (from episodes "This Missive, This Machination!" & "You Were My Hero")

Rhea Seehorn as Andressa

Zehra Fazal as Louise

Micah Aliling as Louise's Daughter

Lincoln Bodin as Oliver Grayson

Tim Robinson as Filip Schaff