* ActorAllusion: This isn't the first time Robson Green (Colonel Locke) plays a soldier; his StarMakingRole was as Fusilier Dave Tucker on Soldier Soldier.
** Will Yun Lee has formerly played an antagonist North Korean back in Die Another Day.
* FakeNationality: Both the Cinemax leads. Specifically:
** FakeBrit: Stonebridge, played by Philip Winchester (American).
** FakeAmerican: Scott, played by Sullivan Stapleton (Australian).
** Karl Matlock is also a FakeAmerican, played by Irish actor Vincent Regan.
** Pakistani terrorist Latif is played by British actor Jimi Mistry, whose parents are Irish and ''[[{{Irony}} Indian]]''.
** Zibabwean political activist Walter Latulu is played by British actor Eamonn Walker.
* HowsYourBritishAccent:
** Inverted: in one scene in Legacy, Phillip Winchester goes back to his ''American'' accent.
* OldShame: Sullivan Stapleton grew embarrassed of his character's frequent sex scenes because they didn't do much to advance the plot and because he'd have to simulate sex with actresses he'd meet just before shooting said scenes. He eventually asked the writers to at least give some sort of explanation as to why Scott was so promiscuous, leading to the revelation, developed through the later portions of Series 3 and throughout Series 4, that Scott had been so traumatized by his experiences that he is desperately searching for intimacy.
* PlayingAgainstType: Michelle Yeoh as Mei Foster. You'll find out.
* ProductionPosse: Frequent director Michael J. Bassett and Philip Winchester previously worked together on Film/SolomonKane.