Guest Stars Andres Joseph as Zayn Meier Michael B. Silver as Brian Currie Grace Lynn Kung as Amy Shu Sean Bolger as Ed Roven Sarah Abbott as Abigail Foreman Adam Stafford as Mark Waterman Anne Dudek as Hannah Foreman Andy Mackenzie as Calvin Hayes Christopher Heyerdahl as TBD Co Starring Berkeley Ratzlaff as Millie Pierce Kailea de Leon as Meghan Waterman Christie Burke as Deborah Strong Kheon Clarke as Uniform #1 Laara Sadiq as Doctor Ashcroft Abi Uthman as Uniform #2 Colby Wilson as Uniform #3 Debra Sears as Lorraine Strong Nicole Anthony as Nurse Emmanuel Addo as EMT