Derek is Chrissie's husband, described in the plot as a sheep farmer. Chrissie leaves Mike Langdon and returns to him after the failure of her relationship with Mike. Although he is not part of the central investigation, his marriage to Chrissie provides the outcome that deepens Mike's loneliness.
Patrick Blackwell has 6 screen credits in a career dating back to 1960. Signature works include This Won't Hurt a Bit, Twentieth Century Theatre: Colombe, Wetherby. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.