Although this burly character actor has divided much of his time between film and TV, often playing policemen, Hallahan started his career on the stage. After four years in the Navy and several more in college (at Rutgers and Temple), Hallahan joined San Francisco's American Conservatory Theater (ACT) in the early 1970s and appeared in more than 40 productions in over five years, including "One Flew Over the Cuckoo's Nest", "Equus", "Peer Gynt", "Man and Superman", and "The Threepenny Opera". In 1976, he traveled with ACT on its tour of the Soviet Union and performed in O'Neill's "Desire Under
