->''"The thing about doubling anyone is that the more they do for you, the deeper they get. The deeper they get, the more you can make them do. Great if you're running them, but hard on the source. The suicide rate is... above average."''
-->-- ''Series/BurnNotice'', "Hard Bargain"

The guy who's both TheMole and the ReverseMole. He works for both sides and plays them off against each other. Although often shown as a villain, he can also be a likeable rogue who just happens to have flexible loyalties, or who has problems with both sides and enjoys setting them on each other. He can even be loyal to one side, and willing to engage in the DirtyBusiness of faking being an agent for the other; TheMole who engages in BecomingTheMask may turn into this.

Although it's possible to find a Double Agent in a [[CrimeAndPunishmentSeries crime drama]], usually as an inside man in the Mob, he's more often seen in [[SpyDrama spy dramas]]. The Double Agent is often TheChessmaster. Becomes the DoubleReverseQuadrupleAgent when taken to the extreme.



[[folder:Anime & Manga]]
* Ryouji Kaji of ''Anime/NeonGenesisEvangelion'' is employed by NERV, SEELE, and the Japanese government to spy on and steal information from one another, while at same time pursuing his own goal: discovering the truth about TheConspiracy for himself. While none of the organisations are aware of his personal quest, NERV knows he's a double agent, SEELE suspects it, and the National Security Agency is relatively clueless. Eventually, one of the factions [[spoiler:(either SEELE or NERV, per [[WordOfGod Word of Anno]])]] gets sick of his backstabbing [[spoiler:and calls in a hit on him. [[GenreSavvy He knew that they would do it]], so [[FaceDeathWithDignity he just greets the killer and asks them what took them so long before he's shot dead]].]]
* Sideways, from ''Anime/TransformersArmada'', masqueraded as an Autobot, then did a FaceHeelTurn and "revealed" he was "really" a Decepticon... only to later betray them as well. Turned out he was trying to escalate the war for his [[PlanetEater Boss]]. He made a return appearance in ''Cybertron.''
* [[spoiler: Itachi]] from ''Manga/{{Naruto}}'' was a double agent for [[spoiler: Konoha]] while pretending to be the [[spoiler: Uchiha clan's]] mole in the [[spoiler: ANBU]]
* In ''Manga/{{Bleach}}'', [[spoiler:Gin was working with Aizen to kill him-- Gin wanted to avenge the way Aizen had abused his OnlyFriend Rangiku. It took him [[BestServedCold a century]] to obtain both the information needed, and the actual opportunity itself, to make the assassination attempt.]]
* Gajeel of ''Manga/FairyTail'' used to be one between Fairy Tail and Raven Tail, though loyal to Fairy Tail. The information he gets from Raven Tail never really comes to use, as before Fairy Tail can find Raven Tail and stop them in their tracks, fate has them meet in the Grand Magic Games. Laxus defeats them, and they realize that Gajeel was really loyal to Fairy Tail all along, making his agent status obsolete. However, they only make a blink-and-you-miss-it comment about it, and what Gajeel did and found out as a double agent is never expanded on.
* Taizou Kirihara in ''Anime/CodeGeass'', the head of one of the "Six Houses of Kyoto", a group of Japanese noble families that still retain power after Japan has been conquered, by supporting Britannian rule. However, Lelouch figures out that he's secretly the head of the Kyoto Group, which gives funds and supplies to resistance groups and offers to help the Black Knights. "A double agent... how cliche." [[spoiler: Kirihara also was behind the coverup of Prime Minister Genbu Kururugi's death at the hands of his 10-year-old son Suzaku, helping make everyone believe Genbu had commited {{seppuku}}.]]

[[folder:Films -- Live-Action]]
* ''Franchise/PiratesOfTheCaribbean'''s Captain Jack Sparrow.
* In the film ''[[Film/EdgeOfDarkness2010 Edge of Darkness]]'', Jedburgh is a british national and "consultant" for the CIA who serves to clean-up politically damaging messes. Throughout the film, however, a seeming crisis of conscience and a liking for the protagonist makes it hard to pin down just where his loyalties truly lie.
* Bruce Willis' character in the Western flick ''Film/LastManStanding''.
* Taken to ridiculous extremes in ''Film/{{Cypher}}''. Almost every character is a double agent, to the extent you'll be sure that even the cleaners had a hidden agenda. And the protagonist [[spoiler:is.. well, let's see.. He starts as a spy for Digicorp, they brainwash him into a double agent to be planted at Sunways, but Sunways had the brainwashing sabotaged so he could be a triple spy, then he contacts Foster to become a spy for Rooks, then gets tempted into betraying Rooks for Digicorp as Rooks mole in Digicorp had planned all along, and then turns out to be Rooks himself playing all the others. So that's 6 times, a Sextuple spy. Yeah.]]
* ''Film/OperationDumboDrop'': Goddard, a Frenchman who keeps portraits of UsefulNotes/LyndonJohnson and Ho Chi Minh in a double-sided pictureframe.
-->'''Goddard''': What can I say? I love everybody.

* ''Literature/HarryPotter:'' [[EarWorm Snape. Snape. Severus Snape.]] His true allegiance is one of the Big Mysteries of the first six books, and, after frantic EpilepticTrees regarding the sixth book's ending, in the seventh it at last turns out [[spoiler: that he was good all along, and that he helped Dumbledore because he was in love with Lily and felt guilty that she died because he was a Death eater and was the one who related the prophecy to Voldemort]].
* Taken to truly brain-melting levels in the book [[FilmOfTheBook and film]] ''Film/WhereEaglesDare'': although everybodies' loyalties are eventually revealed to have been constant throughout, the loyalties they claim ping-pong back andforth like crazy. Check under BatmanGambit for details.
* ''[[Literature/AssassinFantastic On My Honor]]'': the main character is a double agent working as TheMole in one kingdom as well as one of its ruler's most trusted assassins. Then he's assigned to murder the king of his home country, an [[TheCaligula unpopular new ruler]]. Obviously this makes things... complicated.
* In ''Literature/MaraDaughterOfTheNile'', the title character finds herself going from unimportant slave girl to one of these in a battle for the crown in about a day's time. It takes her most of the book to figure out who's side she's really one. Then, it's revealed that [[VillainousHarlequin Sahure]] is one as well.
* All over the UsefulNotes/ColdWar works of Creator/JohnLeCarre.
* In ''Literature/TheDresdenFiles'', [[spoiler:Martin]] is this, playing the Red Court and the Fellowship of Saint Giles for fools. He was originally [[spoiler:loyal to the Court]] but gradually grew disgusted with them and wanted them gone. He's ultimately able to pull off a scheme that results in [[spoiler:the entire Court being wiped out, but not before he sold out the Fellowship as part of the scheme.]]
* In ''Literature/TheMachineriesOfEmpire'':
** [[spoiler:Vahenz]], one of the rebellion's bigwigs, is eventually revealed to be a freelance agent who works for the Hafn as well as the Liozh.
** In ''Extracurricular Activities'', it turns out that [[spoiler:Meng]] has been a Gwa agent even before they [[spoiler:joined the Shuos academy and ]] started spying on the Gwa.

[[folder:Live-Action TV]]
* Ryan O'Reily in the HBO series ''Series/{{Oz}}'', who worked rival gang leaders against each other by frequently pledging loyalty to each of them and suggesting opposing plans of attack in order to get them to murder each other. He's rather a self-interested manipulator, using one faction against another to survive.
* Piggy in ''Series/PowerRangersSPD'', who was supplying Emperor Gruumm, Broodwing ''and'' the Rangers all with the same information, and much too terrified to try crossing any of them.
* Pick a character from ''Series/{{Alias}}''. Any character.
* Ari in ''Series/{{NCIS}}'' was like this. He was manipulating all sides for [[ItsPersonal personal]] [[{{Revenge}} reasons]].
** Ironically, the heads of ''both'' sides thought Ziva was spying on them. As it happens, both Director Vance and her father were completely wrong, but it allowed them to spend several episodes being a JerkAss to the conflicted Ziva.
* Sam Axe did this for a while in ''Series/BurnNotice'', though not by choice.
* Alex Krycek of ''Series/TheXFiles'' is this trope to a T. He's introduced as the Mole, but eventually just works for whatever side gives him the most advantage.
* ''Series/{{JAG}}'': Sina Kazzari in "The Black Jet", who at first is assumed to work for the Americans, but later turns out to be working for the Iranians as well.

* The instruction card for Creator/DataEast's ''Pinball/SecretService'' pinball implies the player is one of these, possibly to justify why he's shooting (pinballs) at the White House and the Capitol Building.

[[folder:Tabletop Games]]
* The roleplaying game ''TabletopGame/{{Paranoia}}'' involves so many conflicting goals that the [=PCs=] are basically forced into this. If they aren't, you're doing it wrong. Unless they're triple or quadruple agents instead, in which case you're doing it very right. The premise of ''Paranoia'' is that mutants and members of secret societies are by definition traitors who must be executed by the Troubleshooters [[ExactlyWhatItSaysOnTheTin (they find trouble, and then they shoot it).]] Your character is a Troubleshooter. Your character is ''also'' a mutant. ''And'' a member of a secret society. Won't this be fun?

[[folder:Video Games]]
* ''VideoGame/MetalGearSolid''
** [[MagnificentBastard Revolver Ocelot]] is the definition of this; the end of each game has him talking with some puppetmaster or another over the phone, making known his double, triple, and quadruple crosses but never quite explaining what they ''are'' when all is said and done. It seems Ocelot worked for [[spoiler:the American CIA before transferring his allegiance to Big Boss. Everything else was him playing multiple sides for Big Boss's sake. Of course, it still fits as being out for himself, because he really respects Big Boss.]]
** Loads of them show up in ''Metal Gear Solid 3''. [[spoiler:In addition to Ocelot himself we also have The Boss and EVA.]]
* [[spoiler:Kratos]] in ''VideoGame/TalesOfSymphonia'': he starts out good, then turns out to be [[spoiler:[[TheMole part of Cruxis]], so you fight him]], then he [[EnigmaticMinion helps out the good guys anyway for his own inscrutable purposes]]. There's also [[spoiler:Zelos]] who is working all three sides at once and depending on game choices will either completely join your side after faking a betrayal or actually betray you, fight against you, and die.
** Not to mention [[spoiler:Yuan]], who starts out trying to kill you (and already acting as a double agent for two sides), then agrees to an alliance, then betrays you, and then finally decides to help you after all when the double agent act collapses. And then there's [[spoiler:[[BigBad Mithos']] mid-game Helpful NPC stint...]]
* Pretty much the entire point of ''Creator/TomClancy's VideoGame/SplinterCellDoubleAgent'', although the player can ultimately determine just ''who'' Sam is ultimately working for.
* The player character in ''VideoGame/FarCry2''.
* The Spy in ''VideoGame/TeamFortress2''. His entire play style is based around convincing the enemy that you're one of them before {{backstab}}bing them. Described in his trading card as a "double reverse quadruple agent."
** It's possible to [[VideoGameCrueltyPotential dominate one of your own teammates]] by [[http://www.youtube.com/watch?v=ow2zgoe0avw healing an enemy spy while he backstabs your team]].
** Called out by name if a Medic targets an apparent friendly spy when calling "Spy!" Indeed, the game mechanics facilitate this -- if, for example, a RED spy disguises as a BLU spy, the BLU team will see that spy as a BLU spy disguised as a RED team member...maybe even a RED spy.
* Axel, firstly in ''VideoGame/KingdomHeartsII''. And ''especially'' him in ''VideoGame/KingdomHeartsChainOfMemories''.
** In ''VideoGame/KingdomHearts358DaysOver2'', it's shown that Axel wasn't actually a double agent -- he was a ''[[DoubleReverseQuadrupleAgent quintuple agent]].'' At one point, he [[spoiler: pretended to join in with Marluxia's conspiracy, in order to get close enough to eliminate him as a traitor on Xemnas' orders, while really working with Saix so they can overthrow Xemnas themselves. At the same time, he helped both Sora and Namine, only partially because they would destroy Marluxia for him, and wiped out two Organization members who were still loyal to Xemnas to avoid anyone else using the knowledge of the Replica Project.]] In the end, of course, Axel's only real loyalty is to himself (though he tends to include his friends in that, whether they like it or not).
* Harley Filben of ''VideoGame/DeusEx'' works for the NSF as a [[TheMole mole]] for UNATCO, but is actually working for the NSF as part of his duties for [[spoiler:the Illuminati]]. It should also be noted that every time Harley Filben reveals that he's working as a double agent for whatever organization at the time, JC Denton himself is currently allied with that faction.
* In ''VideoGame/StarTrekOnline'', the Romulan PlayableCharacter tries to be this towards the Tal Shiar and it works... until you hop through an Iconian Gateway and land into the clutches of General Hakeev, who instantly recognizes you. [[spoiler: He proceeds to brainwash you until you're rescued by another double agent who hasn't been caught yet.]]
* In ''VideoGame/{{Infernal}}'', there's some uncertainty for a while as to whose side Barbara Mitchell is on. She's part of [=EtherLight=], but friends with Lennox (who's now working for the opposition), and gives both of them the impression that she's on their side. She appears to be feeding Lennox information, but then is (unsuccessfully) insistent that Lennox should hand an electronic whatsit over to her without waiting for questions, and when Lennox is later captured, she is congratulated for tricking him. Then she helps him escape... but declines to join him, claiming that she can be of more use pretending to be loyal to [=EtherLight=]. It's only when a soldier catches her transmitting to Lennox, and Lennox subsequently rescues her, that she makes her allegiance (with Lennox) clear to everyone.
* Ada Wong in the ''Franchise/ResidentEvil'' games plays both sides so many times that nobody's even sure what side she is on. Starting in ''VideoGame/ResidentEvil2'' (which is her debut appearance), she pretends to be a civilian looking for her boyfriend in the ZombieApocalypse, only to be revealed as a spy sent to recover the G-Virus. Because Leon kept going out of his way to protect her and even taking a bullet for her, she warms up to him a bit and tosses him a rocket launcher at the end of the game to take out the recurring monster that's been stalking him the whole game (Claire gets the same help if she's the player character in the "B" scenario). ''VideoGame/ResidentEvil4'' has her working for [[BigBad Wesker]] to obtain a sample of the Las Plagas and is ordered to kill Leon. She still does her job, but she discreetly helps Leon out without him knowing and in the end, she tosses down a rocket launcher to him so he can finally take out the cult's leader. Ada forces Leon to give him the sample at gunpoint, but she gives him keys to a jet ski so that he can escape the island. By ''VideoGame/ResidentEvil6'', she appears again working for a new organization involving the C-Virus and helps Leon and the other main characters out when she can. Her cloudy alliance gets lampshaded when Helena asks if Ada can be trusted, only for Leon to respond that it's not an easy question to answer.

[[folder:Web Original]]
* Gaea from the ''Franchise/{{Noob}}'' franchise, while a self-serving ManipulativeBastard, is still nominally part of the Empire and the Noob guild thanks to game mechanics. She also works with the hacker who wants to drive players out of the game for in-game currency and other perks. Then, thanks to a FrameUp, a bunch of Coalition players get convinced that she's a double agent loyal to the Coalition. Gaea never sets them right because extra players that can take the bullet for her are always a good thing from her point a view. This situation gets an extra level of complexity when [[spoiler:Gaea eventually joins the Coalition, but her second gaming avatar remains an Empire and Noob guild member]], but the closest she ever gets to actual spying is getting paid to give the Empire top guild information about the hacker.

[[folder:Real Life]]
* In one of the greatest intelligence success stories of all time, the British managed to turn literally every German spy in Britain to their service early in UsefulNotes/WorldWarII, then used the German intelligence network in England as a massive puppet show to deceive Germany about Allied strength, strategy, and goals. And since they had all the current German infiltrators turned, they always knew when new ones would be snuck in, and captured them immediately. The captured spies would be given the option to join in the sending of false info, or die. Some would be kept out of circulation anyway, because the Germans obviously would have gotten suspicious if ''none'' of their spies were ever caught. Admittedly, at least in the case of the UsefulNotes/{{Abwehr}} agents, a lot of them probably switched sides willingly with the hope of bringing down the Nazis.
** One in particular, Juan Pujol Garcia, fed the Germans such a wealth of false information that they actually ''[[https://en.wikipedia.org/wiki/Juan_Pujol_Garc%C3%ADa#Honours awarded him the Iron Cross for his efforts]]'', meaning he may be the only person to have received honors from both the Axis ''and'' Allied sides of World War II.
* Germany staged a less comprehensive show for the British in turn in Holland and other areas of occupied Europe by seizing resistance cells and their British advisers, making the British waste resources and time.
* David Coleman Headley, a Pakistani-American who helped mastermind the 2008 Mumbai terrorist attacks, is considered this by many in India. Headley was both an informant for the U.S. Drug Enforcement Administration and a spy for Pakistan's Inter-Services Intelligence directorate (ISI), which allegedly fights proxy wars against India through Islamic terrorist groups.
* Juan Pujol Garcia, a.k.a. "[[http://mentalfloss.com/article/58468/most-amazing-lie-history GARBO]]," who conned his way into Nazi Intelligence, used that to get into British Intelligence (his real goal), and played a critical role in ensuring that D-Day was a success.