Question: This award-winning Irish actor worked on the London stage before playing an officer of the United States Army who later served in what?

Context paragraphs:
Peter O'Meara: Peter O'Meara is an award-winning Irish actor.  Lauded for his work on the London stage he came to the screen in the groundbreaking HBO series "Band of Brothers" playing 1st Lt Norman Dike.  He garnered a popular following on USA TV series "Peacemakers" as Det Larimer Finch bringing the science of the future to the old west opposite Tom Berenger as Marshall Jared Stone.  For this he received the Western Heritage Bronze Wrangler award.

Charles W. Bagnal: Lieutenant General Charles Wilson Bagnal (April 15, 1934 – June 30, 2015) was a United States Army officer.  He was commander of the United States Army Western Command (later United States Army Pacific), from 1985 to 1989.  Previously he was Deputy Commanding General for Training of the United States Army Training and Doctrine Command (TRADOC), Deputy Superintendent at the United States Military Academy (from 1977 to 1980), Commander of the 101st Airborne Division (1981-1983), Commander of the Officer Personnel Management Directorate for the United States Army Military Personnel Center, and Special Assistant to the Deputy Chief of Staff for Personnel.  He is an alumnus of the United States Military Academy, United States Army Command & General Staff College, Georgia Tech, the United States Army War College and McLenaghan High School in Florence, South Carolina (class of 1952).  He retired August 31, 1989, and later obtained his juris doctor from the University of South Carolina and practiced law.  He resided in Columbia with his wife Patsy.  Bagnal died on June 30, 2015 after a battle with leukemia.

Gustavus Woodson Smith: Gustavus Woodson Smith (November 30, 1821 – June 24, 1896), more commonly known as G.W. Smith, was a career United States Army officer who fought in the Mexican-American War, a civil engineer, and a major general in the Confederate States Army during the American Civil War.  He briefly commanded the Army of Northern Virginia from May 31 until June 1, 1862, following the wounding of General Joseph E. Johnston at the Battle of Seven Pines, and before General Robert E. Lee took command.  Smith later served as Interim Confederate Secretary of War and in the Georgia state militia.

Wilfred C. Menard, Jr.: Maj. Gen. Wilfred Charles Menard, Jr. (November 10, 1918 – February 20, 2012) (ARNG) was the twenty-sixth Adjutant General of New Jersey.  Commissioned a US Army 2nd lieutenant in 1942, he served actively with the Army during the Second World War rising to the rank of US Army captain.  He continued to serve thereafter as a reserve officer in the New Jersey Army National Guard, which he commanded from 1974-1982.  A graduate of the United States Army Field Artillery School, the United States Army Tank Destroyer School, and the United States Army War College, Menard was an experienced artillery officer.  During his service with the Guard, he was briefly reactivated at the rank of Lieutenant Colonel for the Berlin Crisis of 1961.  Born in Trenton, NJ, Maj. Gen. Menard was a lifelong resident of central New Jersey.  His many military awards and decorations include the Distinguished Service Medal (US Army) and the Legion of Merit.

James J. Archer: James Jay Archer (December 19, 1817 – October 24, 1864) was a lawyer and an officer in the United States Army during the Mexican-American War.  He later served as a Brigadier General in the Confederate States Army (CSA) during the American Civil War.

Orville E. Babcock: Orville Elias Babcock (December 25, 1835 – June 2, 1884) was an American Civil War General in the Union Army.  He graduated third in his class at the United States Military Academy at West Point in 1861, and served in the United States Army Corps of Engineers throughout the Civil War.  As Assistant Engineer and aide-de-camp for district commander Nathaniel P. Banks, in 1862 Babock worked on fortifications to aid in defending the nation's capitol from Confederate attack.  Babcock later served as aide-de-camp for Ulysses S. Grant and participated in the Overland Campaign.  He was promoted to Brevet Brigadier General in 1865 and continued on Grant's staff during Reconstruction.  After Grant became President in 1869, Babcock was appointed Superintendent of Public Buildings and Grounds for Washington, DC and Secretary to the President of the United States—in modern terms, the chief of staff—and he served in both posts until 1876.  Upon his appointment Babcock was young and ambitious, and considered the Iago of the Grant administration.  In 1869, Grant sent Babcock on a mission to explore the possibility of annexing the island nation of Santo Domingo to the United States.

Henry Balding Lewis: Major General Henry Balding Lewis, CBE, (May 8, 1889 – May 21, 1966) was a United States Army officer who served in the Border War, Tientsin China, World War I and World War II.  He served as Adjutant General, United States Military Academy at West Point, Adjutant General 1st Infantry Division at Schofield Barracks in Hawaii.  In World War II he was Adjutant General and Deputy Chief of Staff to General Omar Bradley for the 12th Army Group and later served with General Bradley in the Veterans Administration.

Norman Dike: Norman Staunton Dike, Jr. (19 May 191823 June 1989) was an officer of the United States Army who later served in the U.S. Army Reserve.  During World War II he was a lieutenant and captain in the 101st Airborne Division, where one assignment was company commander of Easy Company, 2nd Battalion, 506th Parachute Infantry Regiment.  After World War II, he became a lawyer and businessman and eventually became a permanent resident of Switzerland.  Dike was portrayed in the HBO miniseries "Band of Brothers" by Peter O'Meara.

Anthony Wayne: Anthony Wayne (January 1, 1745 – December 15, 1796) was a United States Army officer and statesman.  Wayne adopted a military career at the outset of the American Revolutionary War, where his military exploits and fiery personality quickly earned him promotion to brigadier general and the sobriquet Mad Anthony.  He later served as the Senior Officer of the Army and led the Legion of the United States.

Raymond F. Chandler: Raymond F. Chandler III (born August 25, 1962) was the 14th Sergeant Major of the Army in the United States.  He was sworn in on March 1, 2011 and active on duty until January 30, 2015.  Chandler served in all tank crewman positions and has had multiple tours as a troop, squadron and regimental master gunner.  He has served in the 1st Infantry Division (FWD), 2nd Infantry Division, 4th Infantry Division, 1st Cavalry Division, 3rd Armored Division, 2nd Armored Cavalry Regiment, 3rd Armored Cavalry Regiment, United States Army Armor School, and the United States Army Sergeants Major Academy.  He also served as First Sergeant in four different detachments, troops and companies.  As a Sergeant Major, he served as Operations SGM in 1/2 ACR and as CSM in 1/7 Cavalry, 1st Cavalry Division, United States Army Garrison Fort Leavenworth, Kansas and the United States Army Armor School CSM.  Chandler was assigned as the United States Army Sergeants Major Academy CSM in December 2007.  In June 2009, Chandler became the 19th Commandant of USASMA and the first enlisted commandant in USASMA history.

Supporting paragraphs: Peter O'Meara Norman Dike
Answer: U.S. Army Reserve