The Grey household
Kensington Méribel Grey		Agent-in-training, 11-year-old twin to Max
Maxim Val d’Isère Grey		Agent-in-training, 11-year-old twin to Kensy
Anna Grey		Dormant agent PA S2694, Kensy and Max’s mother
Edward Grey		Dormant agent PA S2658, Kensy and Max’s father, eldest son of Dame Spencer
Fitzgerald Williams		PA S2660, Kensy and Max’s manny, nephew of Dame Spencer
Song Li		PA U2613, Butler
Sidney Li		PA U2614, Dame Spencer’s butler in Wilton Crescent
Pharos
Dame Cordelia Spencer		Head of Pharos
Rupert Spencer		PA X2672, Dame Spencer’s son
Magoo MacGregor		PA P2659, Headmaster of Central London Free School
Romilly Vanden Boom		PA P2646, Science teacher at Central London Free School
Monty Reffell		PA P2667, History teacher at Central London Free School
Autumn Lee		Agent-in-training
Carlos Rodriguez		Agent-in-training
Wentworth Grammar staff
Thaddeus Thacker		Headmaster
Stella Black		Assistant to the headmaster
Divorah Skidmore		Receptionist to the headmaster, choir stylist
Harriet Sparks		Choir manager
Mrs Strump		Choir pianist
Jaco De Vere		Head cricket coach
Wentworth Grammar students
Curtis Pepper		Year Five student, neighbour
Donovan Chalmers		Year Six student, son of Dash and Tinsley
Ellery Chalmers		Year Five student, daughter of Dash and Tinsley
Dugald McCrae		Year Six student, talented tenor
Lucienne Russo		Year Six student, talented soprano
Other
Dash Chalmers		Owner of The Chalmers Corporation, father of Donovan and Ellery
Tinsley Chalmers		Wife of Dash, mother of Donovan and Ellery
Derek Grigsby		Shopkeeper
Rosa		Housekeeper to the Chalmers
Simone Stephenson		Stonehurst College choir mistress
Lucy Dowsett		Executive assistant to Dash Chalmers
Nick		Cherry Tree Farm manager
George Kapalos		Investigative journalist
Hattie Pendleton		Central London Free School student