Guest Stars Daniela Bobadilla as Emma Billy Lush as Gabriel Wyath Co Starring John Christopher Storey as Tech Terrence Edwards as Uniform #2 Benjamin Burdick as Officer Noshir Dalal as Sniper Matt Riedy as SWAT Commander Hamilton Ayanna Berkshire as Staff Nurse Jarrod Crawford as Negotiator Paul Eliopoulos as Screaming Man Lizzie Peet as Patient #4 Myles Cranford as Patient #5 Natalya Oliver as Cashier Elizabeth Espinosa as News Reporter Susan Allison as Doctor Alissa Dean as Intern Steph Jody Carter as Patient #2 Kristopher Logan as Patient #3 Sean Michael Guess as Patient #1