Famous Last Words

New mother whose husband vanishes and is named as the gunman in a London hostage siege; she is drawn into decoding his last message.

London police hostage negotiator on the siege who asks Camilla for help and later works the case alongside her.

Camilla's husband, a ghostwriter and doting father, who disappears leaving a cryptic note before the police name him as the hostage-taker.

Camilla and Luke's infant daughter, whose care frames Camilla's return to work and her life after the siege.

Camilla's new semi-boyfriend, who supports her as she tries to move on while still searching for answers about Luke.