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 Jim Davis John Ross "Jock" Ewing Sr. Actor Ken Kercheval Actor Mary Crosby Actor Randy Powell Actor Keenan Wynn Guest Star Laura Johnson Guest Star Christopher Coffey Guest Star Irving J. Moore Director Linda Elstad Writer Camille Marchetta Writer