On 16 March 2022, Channel 4 Television announced that they have commissioned Eagle Eye Drama to produce a second series of the crime thriller. The second series of the British version of the series will not follow the storyline of the second series of the original Swedish drama. Series two is scheduled to begin filming on location in Bristol and Belgium later in the year.
Lesley Sharp and Vincent Regan worked together on another crime drama, "Scott & Bailey" (2011) as DC Janet Scott and DCS Dave Murray.
Vincent Regan and Patrick Gibson were both also in the Starz TV show "The White Princess." Gibson played "the boy" or Perkin Warbeck who pretended to be Richard, Duke of York, the son of Edward IV and Elizabeth Woodville; and Regan played Jasper Tudor, the uncle of Henry VII.
Lesley Sharp and Steve Toussaint appeared together in Series 4 of "Scott and Bailey" (s4e4-s4e6 and s4e8).
Tijmen Govaerts and Gene Bervoets both appeared in s23 e10 of the Belgian version of "Professor T.", which like the original Swedish version of this show was a "Walter Presents"-featured show on Channel 4.