Guest Stars Stephen Tobolowsky as Dr. Peltier Matt Keeslar as Dennis McMartin Josh Daugherty as Dr. Bob Norris Cara DeLizia as Libby Grant Kymberly Newberry as Nurse Lisa Co Starring John Troy Donovan as Man Pumping Gas George Russo as Disheveled Man Ernie Lively as Ranger Neher Chris Neville as Charlie McMartin Uncredited Michael Fairman as Mr. McMartin