Guest Stars Cameron Monaghan as Elliot Aimee Carrero as Cassie Ashley Crow as Chief Elaine Brody Clayton Rohner as Asher MacLean Alla Korot as Jemma Prentiss Drew Osborne as Bryan Keith Sellon-Wright as David Prentiss Jonathan Biggs as Orrin Tony Pierce as Marshall Winston Co Starring Elizabeth Bond as Instructor Missy Jenkins Casey Margolis as Marley