S5, E13: Scully confronts a new threat to her life as Mulder probes a series of horrific mass killings, which leads him to evidence of extraterrestrials.
Nicholas Lea
Alex Shostak Jr.
Laurie Holden
Veronica Cartwright
Max Wyman
Barbara Dyke
Ron Halder
Jim Jansen
Chris Owens
Don S. Williams
John Neville