Julia Junilla – a baby at the centre of attention;
Didius Falco – a new father, who is said to need a partner;
Helena Justina – his partner at home and at work, a new mother;
Petronius Longus – a troubleshooter, but in trouble;
Arria Silvia – his wife, who has just shot him down;
Julia's doting grand-mama;
Julia's grandfather, the idealistic senator;
Julia's other doting grandmama;
Aelianus – who knows he wants to get married;
Justinus – who seems to have no idea what he wants;
Claudia – whose fortune is what Aelianus wants to marry;
Gaius – Falco's nephew, a lad about town;
Lollius – his absentee father, who has turned up a tunic braid twister, allegedly;
Rubella – tough but fair tribune of the Fourth Cohort of vigiles;
Fusculus – loyal (but hopeful) stand-in for Petronius;
Martinus – jealous but relocated rival for Petro's job;
Sergius – whose punishments leave his victims half dead;
Scythax – the cohort doctor, who likes his patients alive;
Lovers, Supervisors, Victims and Suspects:
Balbina Milvia the cause of Petro's trouble;
Cornella Flaccida her mother; positively awful (and awfully positive);
Florius Milvia's husband; completely negative;
Anon a registrar of births; dead miserable;
Silvius Brixius registrars of the dead; happy types;
S. Julius Frontinus; yes, that Frontinus! a real person;
Statius an engineer; too important to know or do anything;
Bolanus his assistant, who knows it and does it;
Cordus a public slave hoping for a finder's fee;
Caius Cicurrus a corn chandler who has lost his treasure;
Asinia his wife, a good girl, apparently;
Pia her friend, a bad girl indisputably;
Mundus – Pia's lover, a ridiculously poor judge of girls;
Rosius Gratus a very old man who lives out of the way;
Aurelia Maesia his daughter, who likes it that way;
Damon a slow driver with a fast reputation;
Titus, no; not that one; a lad about the country;
Thurius a surly minion;
Some Other Suspects:
250,000 people in the Circus Maximus;
Everyone else who has a job connected with the Games;
All the inhabitants of Tibur, and the nearby countryside;
The man in the street;
Jurisdictions of the Vigiles Cohorts in Rome: