Michael Warren (born March 5, 1946 in South Bend, Indiana) is a retired American TV actor and former college basketball player, best known for playing Officer Bobby Hill on the NBC television series Hill Street Blues.
A short prologue outlines the young men of America joining the army, and the threat of the fifth columnists: Nazi spies hidden deep within the American forces. Two fifth columnists in American uniform blow up a local munitions factory that is supplying the local army camp.
