Donal Francis Logue (born February 27, 1966) (sources vary) is an Irish-Canadian-American film and television actor, producer and writer. His roles include starring in the film The Tao of Steve, Sons of Anarchy, Vikings, the sitcom Grounded for Life, the television series Copper and the detective series Terriers. He portrayed detective Harvey Bullock in Fox's Gotham and had a recurring role in NBC's Law & Order: Special Victims Unit as Lt. Declan Murphy.
Donal Francis Logue was born in Ottawa, Ontario, Canada, to Irish parents from County Kerry. His parents were Carmelite missionaries. Logue has three sisters: Karina, Deirdre and Eileen.Logue attended Central Union High School in the city of El Centro California. His father was the president of Aisling Industries. In 1983, Donal was elected president of the American Legion Boys Nation. He went on to study history at Harvard University.