Larry Hagman John Ross "J.R." Ewing Jr. Actor, Director Patrick Duffy Bobby Ewing Actor, Director Deirdre Imershein Actor Charlene Tilton Lucy Ewing Cooper Actor Barbara Bel Geddes Eleanor Southworth "Miss Ellie" Ewing Actor Deborah Tucker Actor Gayle Hunnicutt Actor Susan Lucci Actor Barbara Eden Actor Jeri Gaile Actor Buck Taylor Actor Omri Katz Actor Joshua Harris Actor Pat Colbert Actor Danone Simpson Actor Shari Shattuck Guest Star Deborah Rennard Actor Barbara Stock Actor Sherril Lynn Rettino Actor Deborah Tranelli Actor Lisa Seidman Writer Leonard Katzman Writer, Director Howard Lakin Writer Mitchell Wayne Katzman Writer Louella Lee Caraway Writer Kenneth Horton Writer Arthur Bernard Lewis Writer Michael Preece Director Irving J. Moore Director Nick Havinga Director Dwight Adair Director Ken Kercheval Director