Source: TV Guide
Adam Baldwin, known for the role of Knowle Rohrer, the marine-turned-supersoldier on The X-Files, has been announced to appear on the first three episodes of the 14th season of Law & Order: Special Victims Unit.
Baldwin's character, Capt. Steven Harris, will act as the Interim Captain to the unit after the events of last season's finale. Aside his work on The X-Files, Baldwin is also known for his recurrent work in Angel and Firefly and guest roles in Leverage and Castle.