!!!''The Killing'' TV series:

* ActorAllusion: A character that interacts with Holder in season 3 looks conspicuously like [[TheGirlWithTheDragonTattoo Lizbeth Salander]]. Joel Kinnaman (Holder) had a silent cameo in the American adaptation of the first book.
* ChannelHop: From AMC to Netflix.
* HeyItsThatGuy
** [[Series/TheFortyFourHundred Jordan Collier]] became a city councilman. Go figure.
** [[Series/StargateSG1 Colonel Chekov]] is Linden's chief and [[Series/StargateUniverse Brody]] was called in by the Richmond campaign.
** Gwen knows all about duplicity and underhandedness, having played poker pro Miami on ESPN's ''Tilt''.
** A few years in the future, [[Series/PowerRangersSPD Bennet]] [[{{Series/Graceland}} Ahmed]] would be ''working'' on this case. [[Series/HarpersIsland Or another victim]]. And I bet [[Series/BeingErica Lenin]] wishes he'd just kept his janitor's job.
** [[Series/{{Life}} Charlie Crews' old partner]] is Rosie's father.
** Mitch shouldn't judge Stan too harshly, seeing as she used to be [[Series/PrisonBreak a nefarious government agent]].
** [[Series/{{Dollhouse}} Agent Ballard]] is Linden's ex.
** [[Series/{{Supernatural}} Jo]] didn't die!
** [[Series/MadMen Betty's]] asshole brother is now working in politics.
** [[Series/DueSouth Ray Kowalski's]] back in the States, but no word on the Hand of Franklin.
** [[Series/{{Firefly}} Kaylee]] came back to Earth That Was to romance a detective.
* HeyItsThatVoice
** Jamie Wright is [[VideoGame/Left4Dead2 Ellis]]! This is pretty obvious if you play the game often.
** And Mitch Larsen is [[VideoGame/HalfLife2 Judith Mossman]]. So obvious in hindsight.
** Lt. Michael Oakes is [[WesternAnimation/BeastWars Optimus Primal]]/[[Anime/TransformersArmada Prime]].

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