| A | B |
|---|
| Number Seven (AKA Marina) | She will be 18 in 5 months and will have to decide whether she will leave the convent. |
| Number Four (AKA John Smith) | He and his Cepan or guardian, Henri, have been on Earth for 13 years |
| Numnber Six (aka Maren Elizabeth) | She lost her Cepan, Katarin, at the age of 13 during a confrontation with the Mogadorians. |
| Sam Goode | He is interested in the conspiracy theories and alien stories that he can find. |
| Adelina | Cepan to Number Seven (Marina), this characted has settled into life at the Santa Teresa convent. |
| Number Ten (AKA Ella) | The character is 11 years old but is an Aetemus who can move herself back and forth between two ages |
| Hadley (AKA Bernie Kosar) | A Chimeaera from Lorien who is most oftern seen in the form of a dog. |
| Hector Ricardo | He is often wrinkled and dirty in appearance with messy hari and bloodshot eyes |
| Crayton | TYhe defacto guardian for Ella |
| Katarina | Six's Cepan, she dies when they are caught by Mogadorians in West Virginia |
| Henri Smith | Cepan to John, he dies at the hand of the Mogadorians. |
| Sarah Hart | John's girlfriend who turns John and the others into aurthorities. |
