Nine and Voyager: Majel Barrett Roddenberry (Christine Chapel and Number One, as well as the Enterprise computer's voice) is the computer voice on the Enterprise-D, Enterprise-E, Voyager, and Defiant. The Original Series on Deep Space Nine: Clint Howard who played Balok on the episode “The Corbomite Maneuver” appeared as the mentally ill Sanctuary resident Grady in DS9’s “Past Tense, Part II” The Original Series on Enterprise: Clint Howard who played Balok on the episode “The Corbomite Maneuver” played the ferengi Muk in Enterprise’s first-year episode “Acquisition” The Original Series on Discovery: Clint Howard who played Balok on the episode “The Corbomite Maneuver” played an Orion Drug Dealer in the Star Trek: Discovery season one finale, "Will You Take My Hand?" The Next Generation on The Original Series In Star Trek VI: The Undiscovered Country: Michael Dorn (Worf) appears as Colonel Worf, the grandfather of Lieutenant Worf. The Next Generation on Deep Space Nine Marc Alaimo (Cmdr. Tebok / Gul Macet / Frederick LaRouque) plays a major role as the Cardassian military officer, Gul Dukat. James Cromwell (Zefram Cochrane) appears in the episode "Starship Down" as Hanok. He also appears on Star Trek: The Next Generation as Prime Minister Nayrok and Jaglom Shrek. Deep Space Nine on The Original Series Rene Auberjonois (Odo) also appears as Colonel West, a human assassin disguised as a Klingon intent on assassinating the Klingon Chancellor at the Khitomer Conference. Voyager on Deep Space Nine Tim Russ (Tuvok) appears as a Klingon named T'Kar in the episode "Invasive Procedures" Martha Hackett (Seska) appears as the Romulan Sub Commander T'Rul in the two part episode "The Search" Voyager on The Next Generation Robert Duncan McNeill (Tom Paris) appears in the episode "The First Duty " as Cadet First Class Nicholas Locarno (A still of McNeill as Locarno is used as a photo of a young Paris on the desk of Admiral Owen Paris in the Voyager episode "Pathfinder") Ethan Phillips (Neelix) appears in the episode "Menage à Troi" as Doctor Farek and as the holographic maître d' in the film Star Trek: First Contact Tim Russ (Tuvok) appears in the episode "Starship Mine" as Devor. He also played an Enterprise-B Bridge Officer in the film Star Trek Generations The Next Generation on Enterprise Andreas Katsulas (Commander Tomalak) plays Vissian Captain Drennik in the episode "Cogenitor". Brent Spiner (Data) plays Arik Soong in series 4, who is intended