Guest Stars Teryl Rothery as Dr. Janet Fraiser Jan Rubeš as Dr. Nicholas "Nick" Ballard Co Starring Dan Shea as Sgt. Sylvester Siler Tracy Westerholm as SF Guard Daniel Bacon as Technician Jason Schombing as Dr. Robert Rothman Jacquie Janzen as Lt. Rush Christopher Judge voices Quetlzelcoatl Russell Roberts as Psychiatrist