A racer (Kate Jackson) competing in the Iditarod tries to evade the killer who's sabotaging---and killing---the competition. Alex Jensen: Corbin Bernsen. Bomber Gates: Michael Damian. Robb: Philip Granger. Martinson: Shaun Johnston. George: Matthew Walker. Ginny: Louise Vallance. The movie was filmed in Alaska and Canada, and is based on Sue Henry's novel. Paul Schneider directed. Also known as "The Cold Heart of a Killer."