David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Mitch Pileggi Asst. Dir. Walter Skinner Guest Star Brian Thompson Alien Bounty Hunter Guest Star Dana Gladstone Dr. Landon Prince, Gregor Guest Star Bonnie Hay Field Doctor Guest Star Andrew Johnston Agent Barry Weiss Guest Star Tom Butler CIA Agent Ambrose Chapel Guest Star David L Gordon FBI Agent Guest Star Megan Leitch Samantha Mulder Guest Star Peter Donat William Mulder Guest Star Rebecca Toolan Teena Mulder Guest Star Tim Henry Federal Marshall Guest Star Ken Roberts Motel Proprietor Guest Star Michael J. Rogers 1st Crewman Guest Star Oliver Becker 2nd Doctor Guest Star James Leard Sgt. Al Dixon Guest Star Linden Banks Reverend Sistrunk Guest Star Kimberly Restell Newspaper Clerk Guest Star Richard Sargent Captain Guest Star Chris Carter Writer Nick Marck Director