Donal Francis Logue is a Canadian actor. He starred in the film The Tao of Steve and has had roles in the TV series Sons of Anarchy, Vikings, Grounded for Life, Copper, Terriers, and, as Detective Harvey Bullock on Fox's Gotham. He additionally played the recurring role of Lt. Declan Murphy in NBC's Law & Order: Special Victims Unit.

The Tao of Steve is a 2000 romantic comedy film written by Duncan North, Greer Goodman, and Jenniphr Goodman, directed by Jenniphr Goodman, and starring Donal Logue and Greer Goodman.