Marina Haysmith — The Postcard Killer Character Profile

Character Facts

Played by

Naomi Battrick

Appears in

The Postcard Killer (2026)

Role

Supporting

Relationships (3)

• Marina Haysmith — Conflict IndirectAdversary — Valerie Kanon (Famke Janssen)

  Held captive and psychologically tormented by Marina's group.

• Marina Haysmith — Conflict IndirectAdversary — Jacob Kanon (Jeffrey Dean Morgan)

  Investigates Marina as a key member of Simon's criminal circle.

• Marina Haysmith — Family Siblings — Simon Haysmith (Denis O'Hare)

  Share the same surname and familial bond, collaborating in the criminal network.

Explore the full interactive character relationship map of The Postcard Killer

More characters from The Postcard Killer

• Jacob Kanon (Jeffrey Dean Morgan)
• Valerie Kanon (Famke Janssen)
• Simon Haysmith (Denis O'Hare)