S6 · E17

Valhalla

2011-03-0242 min 8.3

← E16 Coda E18 Lauren →

Overview

After a series of murders, Prentiss becomes suspicious of a former nemesis, and fears for the safety of her team.

Guest stars

Siena Goines
as Tsia Mosely

Madison Mason
as Lex Dreyer

Tyler Poelle
as Jeff Hastings

John Colella
as Ron Cosenza

Jan Munroe
as Dr. Sherman

Jennifer Riker
as Kerry Fagan

Fionn William O'Brien
as Calum

Brian D. Johnson
as Frank Fagan

Thor Edgell
as Byron Delaney

Jim Castillo
as Weatherman

Andy McPhee
as Liam

Timothy V. Murphy
as Ian Doyle

Series cast

Joe Mantegna
as David Rossi

Paget Brewster
as Emily Prentiss

Adam Rodriguez
as Luke Alvez

Kirsten Vangsness
as Penelope Garcia

A.J. Cook
as Jennifer Jareau

Aisha Tyler
as Dr. Tara Lewis

Zach Gilford
as Elias Voit

Ryan-James Hatanaka
as Tyler Green

Crew

Erica Messer
Writer

Simon Mirren
Writer

Charles S. Carroll
Director