Guest Stars Robert Reed as Lt. Adam Tobias Dabney Coleman as Ralph Stoner John Milford as Col. Edgar Ewing Co Starring Grace Albertson as The Doctor William Bryant as Schaeffer Judith McConnell as J.C. Casey Melendy Britt as Barbara Noland Dallas Mitchell as Controller Eugene Peterson as Lou Morgan Walker Edmiston as Roddy Rodman Lyle Bettger as Julian Mallory Robert Patten as Ben Lorenz Lee Stanley as Les Carlson Robert Munk as Roy Elkins Uncredited Charles Picerni as Cease