Larry Hagman John Ross "J.R." Ewing Jr. Actor Patrick Duffy Bobby Ewing Actor Linda Gray Sue Ellen Ewing Actor Victoria Principal Pamela Barnes Ewing Actor Susan Howard Actor Barbara Bel Geddes Eleanor Southworth "Miss Ellie" Ewing Actor Steve Kanaly Ray Krebbs Actor Howard Keel Actor Ken Kercheval Actor Priscilla Presley Actor Dack Rambo Actor Sheree J. Wilson Actor William Smithers Guest Star J.A. Preston Guest Star Alice Hirson Guest Star Morgan Woodward Guest Star Derek McGrath Guest Star Jonathan Goldsmith Guest Star