Guest Stars Amy Landecker as Nancy Costello Carmen Ejogo as Lee Delamere Cullen Moss as Rudy Cunningham Dave Maldonado as Lt. Brendan Cusack Mark O'Brien as Father Jay Sean Bridgers as Walter Beckwith Suleka Mathew as Tanya Co Starring Gavin "Chief" Meredith as Chris Kelvin Witherspoon as Russell Burl Moseley as Zeke Jeff Elam as Security Guard Killebrew as Charge Nurse Marsha Henry as Mrs. Clark