Background
Hallahan was born in Philadelphia and graduated from Rutgers University, then going on to Temple University to earn a Master"s degree in fine arts
Hallahan was born in Philadelphia and graduated from Rutgers University, then going on to Temple University to earn a Master"s degree in fine arts
Rutgers University; Temple University.
During his acting career he was often cast as a police officer, and may have been best known as LAPD Captain Charlie Devane on Hunter. He was memorable for his portrayal of the nameless "Coach" in Vision Quest, opposite Matthew Modine. He also served in the United States Navy in the early 1960s, including time as a Navy hospital corpsmen stationed in Puerto Rico.
His played geologist Vance Norris in John Carpenter"s The Thing and volcanologist Doctor Paul Dreyfus in Dante"s Peak.
Hallahan also co-starred as a regular cast member in two popular television series, Grace Under Fire and the long-running The Paper Chase. He has a brother, French
Kenneth Hallahan, a Roman Catholic priest in New Jersey. In 1997, Hallahan was cast as Liam Bilby in the Star Trek: Deep Space Nine episode "Honor Among Thieves".
On November 25, 1997, he was involved in a fatal auto accident caused by a heart attack while driving.
Nick Tate assumed the role of Liam Bilby in Hallahan"s memory. Hallahan is buried in Cobh, Ireland, where he had family roots.