* FakeAmerican / FakeBrit: Australians Rose Byrne and Rebel Wilson play an American and a Brit respectively. Averted with Irishman Chris O'Dowd.
* HeyItsThatGuy: Hey Officer Rhodes, shouldn't you be [[TheITCrowd working down in the basement?]]
* RealLifeRelative: Ben Falcone, who plays Air Marshall Jon, is married to Melissa [=McCarthy=] (Megan.)