There Might Be Blood Shawn and Gus investigate the death of a safety inspector aboard an offshore oil rig. The investigation is complicated by the commander of the coast guard, Barbara Dunlap, Chief Vick's sister. Details Casts Title There Might Be Blood Genres Comedy Drama Mystery Crime Release Date 2008-08-22 Episode Runtime 00 Hours 43 Minutes Season Number 3 Episode Number 6 Production Companies UCP, GEP Productions, Pacific Mountain Productions, Tagline Pictures, Universal Television James Roday Rodriguez Shawn Spencer Dulé Hill Burton Guster Timothy Omundson Carlton Lassiter Maggie Lawson Juliet O'Hara Kirsten Nelson Karen Vick Corbin Bernsen Henry Spencer