 Larry Hagman (qv) (John Ross J.R. Ewing, Jr.),  Patrick Duffy (I) (qv) (Bobby Ewing), Ken Kercheval (qv) (Cliff  Barnes), Linda Gray (I) (qv) (Sue Ellen Shepard Ewing) and  Steve Kanaly (qv) (Raymond Ray Krebbs) are the only actors to  appear in both the first and last episodes of the series.