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 Leigh McCloskey Actor Ken Kercheval Actor Susan Howard Actor Audrey Landers Actor Susan Flannery Actor Jared Martin Guest Star Howard Keel Guest Star Fern Fitzgerald Guest Star Joel Fabiani Guest Star Irving J. Moore Director Leonard Katzman Screenwriter