Guest Stars Edward Nigbor as Jake Webber James Nigbor as Jake Webber Claire Coffee as Nadine Crowell Stephen Macht as Trevor Lansing Ron Hale as Mike Corbin Stuart Damon as Alan Quartermaine Jay Pickett as Det. David Harper Seamus Dever as Dr. Ian Devlin Reign Morton as Cassius Angel M. Wainwright as Regina Thompson America Olivo as Marianna Erosa James C. Burns as Vaughn