A fairly large number of Star Trek personalities have actually served in the United States armed forces. The largest number are Original Series actors, producers, and writers, with service in the Second World War. A fair number have service in the Korean War time frame and background actor Newell Tarrant is the only Star Trek actor known to have served in the Vietnam War. James Doohan and David Hurst are the only known Star Trek actors to have served in an armed force other than the United States military. Doohan served in the Canadian Army and Air Force and Hurst served in the British Army's Irish Fusiliers; both actors were veterans of the Second World War.
Individual Star Trek role Branch of service Years of service Final rank
Whit Bissell Lurry US Army 1943 - 1945 Sergeant
Elisha Cook Samuel Cogley US Army 1942 - 1943 Private First Class
Morgan Farley Hacom / Yang Scholar US Army 1942 - 1945 530425 Second Lieutenant
Paul Fix Mark Piper US Navy 1918 - 1919 Hospital Apprentice First Class
Frank Gorshin Bele US Army 1953 - 1955 Not recorded
James Gregory Tristan Adams US Navy 1942 - 1945 Petty Officer 1st Class
Richard Herd Owen Paris / L'Kor US Army 1953 Private
Jeffrey Hunter Christopher Pike US Navy 1945 - 1946 Seaman 1st Class
Roy Jenson Cloud William US Navy 1944 - 1946 Seaman 1st Class
Robert Justman Original Series Producer US Navy 1944 - 1946 Petty Officer 3rd Class
Brian Keith Mullibok US Marine Corps 1942 - 1945 Corporal
DeForest Kelley Leonard McCoy US Army Air Corps 1943 - 1946 Private First Class
Mark Lenard Sarek / Romulan commander / Klingon captain US Army 1943 - 1946 Technical Sergeant
Lawrence Montaigne Decius / Stonn US Marine Corps 1947 - 1950 Private First Class
Joseph Naradzay Marine sergeant US Marine Corps 1964 - 1990 Sergeant Major
Leonard Nimoy Spock US Army Reserve 1953 - 1955 Sergeant
Nehemiah Persoff Palor Toff US Army 1942 - 1946 Technician 5th Grade
Gene Roddenberry Series Creator US Army Air Corps 1942 - 1945 Captain
Warren Stevens Rojan Naval Academy / Army Air Corps 1937 - 1940 (Navy) Midshipman
Newell Tarrant Rogerson US Navy 1966 - 1986 Commander
Harry Townes Reger US Army 1942 - 1946 Corporal
William Windom Matthew Decker US Army 1943 - 1946 Technician 5th Grade
Ian Wolfe Septimus / Atoz US Army 1917 - 1919 Sergeant
Anthony Zerbe Matthew Dougherty Air Force Reserve / Air National Guard 1958 - 1964 Airman 3rd Class
The military records of Keith Andes, John Hoyt, Matt Jefferies, George Clayton Johnson, and Byron Morrow were completely destroyed in the 1973 National Archives Fire, making service verification impossible. Frank Gorshin's military rank was also damaged to the point that his final rank at discharge is unknown.
Go figure I'd start with Star Trek... I just wish I knew how to make that list look decent...



