Actor Russell Johnson, best known as "The Professor" on Gilligan's Island, served in the US Army Air Force during WWII. He flew 44 combat missions as a bombardier in B-25 bombers. In March 1945, he and two other B-25s were shot down in the Philippines. He broke both his ankles and the radioman next to him was killed. Johnson earned a Purple Heart, among other honors. He was honorably discharged and later served in the Army Reserve. He used his GI Bill to fund his acting lessons.
Henry Fonda served in the Navy for three years, initially as a quartermaster 3rd class on the destroyer USS Satterlee. In 1943, Fonda received his commission as a Lieutenant, j.g. and was assigned to an air combat intelligence unit working in the Central Pacific, during which he was awarded a Presidential Unit Citation and the Bronze Star.