Guest Stars Sheila Larken as Margaret Scully Melinda McGraw as Melissa Scully Pat Skipper as Bill Scully Jr. John Pyper-Ferguson as Det. John Kresge Karri Turner as Tara Scully Gerard Plunkett as Dr. Calderon Lauren Diewold as Emily Sim Patricia Dahlquist as Susan Chambliss Jo-Ann Fernandes as Forensic Technician Dan Shea as Deputy Rob Freeman as Marshall Sim Gregor Sneddon as FBI Courier Co Starring Eric Breker as Dark-Suited Man #1 Stephen Mendel as Dark-Suited Man #2 Walter Marsh as Pathologist Joe Shea as Dana Scully Rebecca Codling as Melissa Scully Ryan de Boer as Bill Scully Jr. Zoe Anderson as Dana Scully