Actor Donal Logue (“Sons of Anarchy,” “Vikings,”) will star in a recurring role on NBC’s hit “Law & Order: Special Victims Unit.” Logue will continue his role as Lieutenant Declan Murphy, acting commander of the New York Special Victims Unit. He is slated to appear through the end of the season. “Law & Order: SVU” airs Wednesdays at 9:00 p.m. ET.