The main character investigating the footage, navigating London, Tokyo fallout, and eventually traveling to Moscow. She grapples with the unresolved disappearance of her father on 9/11.

A brutally cropped bartender with thick black glasses who recognizes Cayce from an ICA panel and alerts her to a brand new 48-second segment of the footage.

A large African collector of rare items who assists Cayce in verifying and purchasing the Curta calculator to trade with Baranov.

A blond Polish man who explains early computer history to Cayce, seeks funding for a ZX81 project, and discusses steganography with her.

An old, buzzard-like man selling macabre Victorian surgical instruments at the Portobello market.

Cayce's friend and documentary filmmaker currently roughing it in a Russian swamp digging up WWII artifacts; he lets Cayce stay in his London flat.

A Chicago-based friend of Cayce from the footage forum who creates the 'Keiko' persona to extract information about steganography and watermarking from a Japanese group.

A wealthy, lateral-thinking advertising executive who sees the footage as the ultimate guerrilla marketing and proposes a partnership to hire Cayce to track down the maker.

A Japanese otaku connected to the 'Mystic' coven who claims to know the hidden watermark on segment #78 and is being manipulated by Parkaboy's fake persona.

A design student and hat seller who is deeply troubled by her side job executing viral stealth marketing campaigns in bars.

A California-based footagehead fluent in Japanese who assists Parkaboy in translating and creating the Keiko persona to infiltrate Japanese message boards.

An impatient, heavily nicotine-stained gray man who drives a filthy car and reacts furiously when Cayce is not the buyer he was expecting for the Curta calculators.

An executive at Blue Ant who oversees Cayce's logo evaluation meeting and seems unaware of Dorotea's underlying sabotage.

An American computer and security expert working for Bigend who rescues Cayce in Tokyo and helps her analyze the mysterious map, but conceals information from Bigend.

A Blue Ant logistics staff member who has Cayce sign documents and arranges her flights.

A former medic and martial arts instructor who taught Cayce how to defend herself and 'make mayhem' in emergencies.

The founder of the F:F:F footagehead forum, who has long wanted a searchable database for the site.

A corporate operative who admits to being hired by a Russian tax lawyer in Cyprus to scare Cayce away from Blue Ant, but now accepts a fast-track position from Bigend.

Cayce's mother, who lives in Maui and believes she is receiving EVP (Electronic Voice Phenomenon) messages from her missing husband.

Cayce's father who vanished in Manhattan on the morning of September 11. He is deeply missed by Cayce.

The woman whose image is being used for the 'Keiko' persona. She is angry about the deception and wants to contact Taki genuinely.

A dark-haired man with a taped nose whom Cayce encountered in Tokyo. He is being sent to Geneva by Bigend to recuperate.

A Bond Street dealer of clocks and rare calculators who sells the Curta prototype to Cayce and Ngemi.

A Blue Ant contact in London whom Cayce calls to arrange Parkaboy's urgent flight to Moscow.

The white-faced Russian woman who brings Cayce to the secret editing facility to meet her twin sister, Nora.

Stella's twin sister who suffered a severe brain injury from a Claymore mine and now meticulously creates the mysterious footage from found video.

A lethally amiable Polish security operative working to bridge the gap between Volkov's traditional and web-based security branches.

A young operative educated at Berkeley who helped set up Nora's production facility and the watermarking operation with Sigil.

The powerful, invisible uncle of Stella and Nora who provides their extensive security and funded Nora's editing facility.