The voice in Episode 1 of Killing Eve is actually actor Jodie Comer's real singing voice. In addition to showing her talent in Killing Eve, Comer also sang in the 2021 film Free Guy, when she performed a cover of Mariah Carey's Fantasy.
Sandra Oh had actually learned how to ride motorcycles for the movie Sideways.
The quote, "Humankind cannot bear very much reality" is from "Four Quartets" by the poet T.S. Eliot.
Yusuf mentions that someone he knows now works for "TFL." TFL is the public transportation agency, Transit for London.