Guest Stars David Berman as Dr. David Phillips Archie Kao as Archie Johnson Mark Pellegrino as Elliot Perolta Mary Mouser as Cassie McBride Hunter Parrish as Jeremy McBride Michael McGrady as Sheriff Brackett Melora Walters as Sage Scott Paulin as Dr. Parker Chase Ryan Jeffery as Luke Daniels Matt Funke as Mark Horvatin Lindsey Ginter as Mr. Daniels Jennifer Savidge as Mrs. Jill Locke Trever O'Brien as Peter Co Starring Mark Vanselow as Diver