Guest Stars Robert Reed as Lt. Adam Tobias Dabney Coleman as Ralph Stoner John Milford as Col. Edgar Ewing Co Starring Judith McConnell as J.C. Casey William Bryant as Schaeffer Melendy Britt as Barbara Noland Dallas Mitchell as Controller Grace Albertson as The Doctor 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