David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Ric Reid Steve Holvey Guest Star Helene Clarkson Maggie Holvey Guest Star Joel Palmer Charlie, Michael Holvey Guest Star Jeremy Isaac Wildsmith Teddy Holvey Guest Star Lilyan Chauvin Golda Guest Star Bill Dow Chuck Burk Guest Star Kay E. Kuter Calusari 1 Guest Star Christine Willes Karen Kosseff Guest Star Jacqueline Dandeneau Nurse Castor Guest Star Bill Croft Calusari 2 Guest Star Campbell Lane Calusari 3 Guest Star George Josef Calusari 4 Guest Star Chris Carter Executive Producer Sara B. Charno Writer Michael Vejar Director