Sam's friend who accompanies him to San Francisco for the wedding. After secretly meeting with Helen, he is brutally killed by Sam out of misplaced jealousy, despite insisting his visit was meant to support Sam. His death escalates the tension and suspicion.
Their friendship collapses when Sam interprets Marty's actions as betrayal.
Marty travels to San Francisco with Sam for the wedding and is identified as Sam's friend.
Explore the full interactive character relationship map of Born to Kill