Alicia Vikander and Armie previously starred together in Guy Ritchie's remake of The Man from U.N.C.L.E. (2015) where although it's not explicitly stated, they are each other's love interest.

Second collaboration between Armie Hammer and Ben Wheatley since Free Fire (2016). This movie also marks the second collaboration between Alicia Vikander and Hammer since The Man from U.N.C.L.E. (2015).

Alicia Vikander and Armie Hammer were both attached to star in this project when originally announced but have since dropped from the project. Reasons for their departures from the project haven't been given.