fbi special agent fictional character american fox television series files science fiction government conspiracy hide deny truth alien existence partner control x-files office fox_mulder dana_scully forced leaves beginning files office concerned cases particularly mysterious possibly supernatural circumstances left shelved fbi portrayed canadian actor recurring character fifth sixth final seasons x-files agent appearance fifth season episode patient earlier appearances series mulder belief extraterrestrial life acted appearing ninth season moved respect agree mulder beliefs proven fathers sees helps kill alien rebel character arc assigned x-files fox_mulder forced leave son cigarette smoking man cigarette smoking man wife multiple heavily involved syndicate time cigarette smoking man abandoned family years old subsequently mother driven insane claims multiple alien shortly abducted returned samantha raised father california met dana_scully year cigarette smoking man began sending letters returned father set fire x-files end agent start working x-files got orders cigarette smoking man push eventually mulder scully fired fbi eventually fathers later mulder scully files shot head apparently killed father son years later revealed william survived gunshot subjected experiments hand father posing mulder scully house injected william substance seemingly cure baby powers motivation repercussions actions fully explained testified defense mulder murder trial truth revealed trial having affair fox_mulder half brothers dna test conducted episode william initially led agents scully reyes believe mulder lending claim mulder children cigarette smoking man conceptual history creation early development previously portrayed episodes cigarette smoking man demons portrayed great post modern cast landed guest role files spin millennium chris_carter david_duchovny pleased portrayal great picked role making audition crew members reacted positively selection creating character carter long term plans involvement meaning involvement wouldn differ different previous recurring characters small cameo appearance red black young version fifth season production period entered final months rumors began especially production crew members vancouver canada future series particularly concerning moving los_angeles california sixth season new recurring character planned case david_duchovny cut commitment series replacement duchovny character fox_mulder time fledged substitute contradictory rumors heard duchovny appear episodes sixth season casting sign series leaving vancouver staying according actor knew duchovny leaving series discovered x-files moving los_angeles official announcement according learned demise son usual way chris_carter actor discuss latest script carter telling heroic exit series story arc questioned news slightly unable believe leaving series soon apparently news departure series confirmed shortly received episode script came time film final scene son actor upset saying didn want shoot adding enjoyed working actor hand davis trouble scene fathers twice hit later development season years written series actor moved toronto canada received unexpected phone david_duchovny said production crew filming series finale episode late season wanted bring episodes duchovny survival shooting years earlier explained away plot device alien injection mentioned experience fun shit realize duchovny meant got studio saw makeup appearance sight shocked reception entertainment_weekly writer ken_tucker called portrayal stiff chicago_sun-times responded positively character calling shortly premiere terms started notice strange reactions people street assumed odd expressions annoyance character actions day particularly aggravated fan series actually shook finger called paper
Jeffrey Spender