Guest Stars Ken Camroux-Taylor as Al Smith's Colleague John Wesley as Detective Washington Moira Walley-Beckett as Archaeology Student #2 Jenny Gago as Linda Frank Sotonoma Salsedo as Chief Daniel Clearwater Craig Richard Nelson as Al Smith Kelvin Bonneau as TBD Heidi Sorenson as Archaeology Student #3 Nick Ramus as Alexander Bondy Robby Romero as Michael Joe Gallagher as TBD Barbara Constantine as TBD