Twenty-Four Hours The search for Jack increases as his sister is close to death. Donna begins working with people suffering from Down Syndrome. Angelica reveals the reason why Jack is so important to her. Pam looks for a way to work with Mark. Details Casts Title Twenty-Four Hours Genres Soap Drama Family Release Date 1986-01-10 Episode Runtime 00 Hours 45 Minutes Season Number 9 Episode Number 16 Production Companies Barbara Bel Geddes Miss Ellie Linda Gray Sue Ellen Shepard Ewing Larry Hagman J.R. Ewing Ken Kercheval Cliff Barnes Howard Keel Clayton Farlow Susan Howard Donna Culver Krebbs Victoria Principal Pamela Barnes Ewing Priscilla Presley Jenna Wade Steve Kanaly Ray Krebbs