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 Charlene Tilton Lucy Ewing Cooper Actor Barbara Bel Geddes Eleanor Southworth "Miss Ellie" Ewing Actor Steve Kanaly Ray Krebbs Actor Ken Kercheval Actor Susan Howard Actor Jared Martin Guest Star Dale Robertson Guest Star Timothy Patrick Murphy Guest Star Morgan Woodward Guest Star Alice Hirson Guest Star Fern Fitzgerald Guest Star Kate Reid Guest Star Melody Anderson Guest Star