David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Kate Twa Marty (Female) Guest Star Peter Stebbings Marty (Male) Guest Star Brent Hinkley Brother Andrew Guest Star Michelle Goodger Sister Abigail Guest Star Nicholas Lea Michel Guest Star Mitchell Kosterman Detective Horton Guest Star Paul Batten Brother Wilton Guest Star Doug Abrahams Agent 2 Guest Star Aundrea MacDonald Pretty Woman Guest Star John R. Taylor Husband Guest Star Grai Carrington Tall Man Guest Star Tony Morelli Cop Guest Star Lesley Ewen Agent 1 Guest Star David Thomson Brother Oakley Guest Star Larry Barber Writer Paul Barber Writer Rob Bowman Director