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