Guest Stars Angourie Rice as Rachel Goggins Susan Pourfar as Catherine Ortiz Marc Menchaca as Kevin Goggins Madison Davenport as Jack Goggins Miley Cyrus as Ashley O Miley Cyrus voices Ashley Too Nicholas Pauling as Dr. Munk Frances Sholto-Douglas as Carmen Greg Kriek as Todd Edward J. Pepperell as Cop Mikkie-Dene Le Roux as Ms. Walpole Martin Munro as Caretaker Jamie Royal as Nurse Savana Tardieu as Magnolia Alessa Gironi as Leah Sive Gubangxa as Stage Manager James III as Jackson Habanero Jerah Milligan as Busy G Daniel Stewart Sherman as Bear