Norman "Dack" Rambo (born November 13, 1941, Earlimart, California – ied March 21, 1994, Delano, California) was an American actor, most notable for appearing as Walter Brennan's grandson Jeff in the ABC television series The Guns of Will Sonnett, as cousin Jack Ewing on CBS's Dallas, and as Grant Harrison on the NBC soap opera Another World. He also starred on All My Children as Steve Jacoby, and in the CBS Gunsmoke spin-off, Dirty Sally starring Jeanette Nolan.