Guest Stars Joanna Cassidy as Joan Hunt Nathalie Kelley as Dani Alvarez Jamie Bamber as Aiden Wells Khandi Alexander as Commissioner Beverly Travers Scott MacArthur as Rob Martin Steven Culp as Eric Greyson Rebecca Field as Suzie Foster Ann Cusack as Gail Whirley Matt Servitto as Mr. Whirley Co Starring Amy Vorpahl as CSU Tech Fontana Anna Moon as Mary Juan Alfonso as Paramedic #1 Kim Estes as President Roderick McCarthy as Paramedic #2 Diane Sellers as Charge Nurse Conrad Allan as Dr. Romas Jarasunis Gregg Martin as Jake Katie O'Connor as Chloe Pete Carboni as Lab Tech Dianne Curwick as Sue Greyson
