Guest Stars: Robert Reed (Dr. Arnold Stephen Holtfield/Dr. Martin Avery/Peter Callahan/Dr. Raymond Faraday/Dr. William M. Debner), Linden Chiles (Hank Travis), Shelly Novack (Dr. Eddie Dunne)
Co-Starring: Richard Drout Miller (Dr. Adams), Virginia Gregg (Martha Travis), John Zaremba (Mr. Schultz), Joan Tompkins (Elaine Holtfield), Larry Manetti (Larry Walsh), Chris Beaumont (Pete Ciurila)
With: Rosana Soto (Angie), George Clifton (Fred Arlen), Reuben Collins (Bill Tanner), Bill Baldwin (Jake Chrisman), Lisa Moore (Duty Nurse)
Stone and Keller search for a doctor who disappeared after aiding a wounded cop at an armed robbery. The doctor has good reason to run - he's a medical school dropout with Army medical training who's only posing as a doctor.