Main Characters - U2

The Doctor

 * The Tenth Doctor
 * The Alternate Eleventh Doctor
 * The Alternate Twelfth Doctor
 * The Alternate Thirteenth Doctor
 * The Alternate Fourteenth Doctor
 * The Alternate Fifteenth Doctor

Companions

 * Oliver Howell
 * Enzo-17
 * Enzo-17
 * Enzo-17

Other Characters

 * The Oracle
 * The Reprimand