The film adaptation of Erik Jensen's award-winning biography of Adam Cullen is the story of the biographer and his subject, as it descends into a dependent and abusive relationship.
| Actor | Role |
|---|---|
 Daniel HenshallAdam Cullen | Adam Cullen |
 Toby WallaceErik Jensen | Erik Jensen |
| GGillian JonesRuth Marr | Ruth Marr |
 Geneviève LemonGeneviève Lemon | Geneviève Lemon |
 Max CullenKevin Cullen | Kevin Cullen |
 Rowland HolmesPoliceman | Policeman |
 Steve MouzakisJim | Jim |
 Joanne SamuelMagistrate | Magistrate |