Guest Stars Mark Pellegrino as Jarold Kempfer Maddie Hasson as Carly Kempfer John Pyper-Ferguson as Hayden Walker Co Starring Kendall Wells as Kyle Hunter Jackson as Todd Patrick Oury as Cousin #2 Kelli Kirkland Powers as Dr. Hodgkins Michael Mendelson as Dr. Saliman Cooper Bombadil as Cousin #1 Kanin Howell as Al's Second Mechanic Jason Rouse as Marty