Special Guest Stars Natalie Dormer as Jamie Moriarty Guest Stars Andrew Howard as Devon Gaspar Faran Tahir as FBI Agent Ramses Mattoo Donovan Christie, Jr. as Watson's Date Co Starring Rachel Pickup as Allison Fuller Delphina Belle as Kayden Fuller Romell Witherspoon as Henchman Jeffrey C. Hawkins as Detective Andy Murray as John Clay Dion Mucciacito as Kelty John Brummer as Molina