Donal Francis Logue (born February 27, 1965) or (born February 27, 1966) (sources vary) is an Irish-Canadian film and television actor, producer and writer. His notable 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 stars as detective Harvey Bullock in Fox's Gotham and had a recurring role in NBC's Law & Order: Special Victims Unit as Lt. Declan Murphy.
Logue travels back and forth to Killarney, County Kerry, Ireland, where his mother lives, and holds both Irish and Canadian citizenship. Logue has homes in Los Angeles and Oregon. When not acting, Logue is heavily involved in soccer, and regularly plays for the Los Angeles-based amateur team Hollywood United. Logue has a Class-A Commercial Drivers License and is licensed to drive tractor-trailers with double or triple trailers, tankers and hazardous materials. He has a hardwood company with one partner called Frison-Logue Hardwood, and a trucking company called Aisling Trucking with two partners based out of Central Point, Oregon, which the three founded in 2012.
Logue was formerly married or in a long-term committed relationship with Kasey Walker, also known as Kasey Smith. They have a son named Finn, and a daughter, Jade, who is openly transgender. On June 27, 2017, Logue posted a tweet saying Jade had gone missing; he later deleted it and launched a wider public appeal for help after contacting police and the National Center for Missing and Exploited Children. On July 8, E! Online reported that Jade "is no longer missing and is safely back home". In 2015, Logue appeared in Adam Massey's thriller film The Intruders.