Charlton Heston
Though he appeared in over 100 films in his life, he got his start in the service. Charleton Heston enlisted in the army around 1941. He was moved to a base in Alaska and worked as a radio operator during World War II. On the B-25 Mitchell bomber, he also worked as an aerial gunner. He held the highest national clearance for six years due to narrating instructional videos for nuclear bomb workers.