London-born Eric Kofi-Abrefa plays Mark, husband to Hannah, who secretly takes the DNA test on his behalf, resulting in an incredibly tense turn of events. Before starring on The One, Kofi-Abrefa appeared in Jurassic World: Fallen Kingdom, Fury, and Blue Story. A BRIT School alumnus, Kofi-Abrefa's also spent some time performing on stage, appearing in Julie and A Taste of Honey for the National Theatre.