Guest Stars Fivel Stewart as Sidney Grant Petey Gibson as C Hemingway Elana Dunkelman as Rachel Emily Kinney as Shannon Steerman Emily Kinney as Georgia LaCava Deena Aziz as Linda Steerman Mikhaïl Ahooja as Luke Co Starring Brendon Tremblay as Oliver Ethan MacIver-Wright as Young Keith Carson Durven as Walter Peterson Samantha Libman as Woman On Screen Shannon Dalonzo as First Chair Violinist Fuad Ahmed as Rory Stanz
