* ActorAllusion
** Ed Harris running the Black Ops his character from ''Film/TheRock'' was famous for -- even corresponding to the same places.
** The way Reznov yells '''EVERYONE!''' at the end of "Project Nova" calls back to Gary Oldman's VillainousBreakdown in ''Film/TheProfessional''.
*** For that matter, the fact that Reznov is held in a HellholePrison, only to escape and [[Franchise/HarryPotter seek revenge]].
** Ice Cube "plays" a [[Film/XXx Navy SEAL]].
* {{Defictionalization}}: A paintball group in Illinois [[http://www.youtube.com/watch?v=yNoSqW95O1U has made an exact replica of Nuketown]] for tournaments, featuring both houses and all the vehicles between them.
* FakeAmerican: Mason is voiced by Australian Sam Worthington. [[OohMeAccentsSlipping It's... quite apparent, especially when he's shouting.]]
-->'''Mason:''' YEW ''FOCKIN'' SONNUVA BAYTCH!\\
'''Mason:''' HE KILLED HIM ''ROIT'' IN FRONNA ME!
* FontAnachronism: The typeface on the intel collectible does not appear to be written on a typewriter or a basic word processor; the font is much more advanced than its time. This is but one tick mark in a [[http://callofduty.wikia.com/wiki/User_blog:CoD_addict/Anachronisms_in_Call_of_Duty:_Black_Ops long, long list of glaring anachronisms in the game.]]
* HeyItsThatVoice:
** Creator/GaryOldman reprises his role as Reznov, and gains a new one in Dr. Clarke
** Ed Harris as Hudson
** Music/IceCube as Bowman, who is consequently the SOG announcer in Multiplayer.
** Creator/TravisWillingham as Sergei Kozin and the Op 40 announcer in Multiplayer.
** Creator/TroyBaker is Terrance Brooks and the Black Ops announcer in Multiplayer.
** Creator/YuriLowenthal is one of the soldiers in the mission "Rebirth." as well as some extra Multiplayer voices [[spoiler:He's the one screaming for everyone to put on their hazmat suits.]]
** Richard Nixon is [[Franchise/StreetFighter Akuma]].
** Dmitri Petrenko is [[VideoGame/ModernWarfare Major Petrov]].
** Mason is [[Film/{{Avatar}} Jake Sully]].
** [[Series/StarTrekVoyager Robert]] [[Series/StargateAtlantis Picardo]] is Robert [=McNamara.=]
** In the DownloadableContent "Call of the Dead" map for NaziZombies mode, the female of the group is Creator/SarahMichelleGellar. Joining her are Creator/DannyTrejo, Creator/MichaelRooker, and Creator/RobertEnglund. They fight a zombified [[Film/DawnOfTheDead George Romeo]].
** In the Japanese dub:
*** Creator/KenyuHoriuchi is Alex Mason.
*** HochuOtsuka is Reznov.
*** Creator/RikiyaKoyama is Woods.
*** '''[[Creator/KazuhikoInoue YOU DON'T DESERVE TO KNOW THE NAME OF HUDSON'S SEIYU!]]'''
*** Creator/HirokiYasumoto is Weaver.
*** Creator/DaisukeNamikawa is Bowman.
*** Creator/NobuoTobita is Steiner.
*** Creator/NorioWakamoto is Dragovich.
* ThrowItIn: The "Warlord" perk, which allows the player to use more than one attachment on their gun, got its name simply because the equivalent [=MW2=] perk's name didn't fit with the Cold War-era gameplay, and Treyarch couldn't think of anything better to call it.