
Alex Rider
At the age of 14, Alex lives in London with his uncle and housekeeper and attends Brookland school. He has many hobbies which include karate, scuba diving, and mountain climbing. He also speaks four languages.

Jack Starbright
Jack is Alex's American housekeeper and best friend. She is obsessed with the Japanese culture.

Herod Sayle
Herod Sayle (or Herod Smell as his old school mates used to call him) is a billionare entrepreneur and head of the massive enterprise, Sayle Enterprises. He was raised in a trailer park in America near Los Angles. His mum won the lotterey and sent Sayle off to Britain to attend a private school.

Nadia Vole
Nadia Vole is Sayle Enterprises public relations agent and one of Sayle's most trusted henchmen

Mr. Grin
Mr. Grin was once a circus performer when one day he lost his concetration as he was about to catch a knife in his mouth and the knife sliced him ear to ear. He can no longer talk but is Sayles effective personal pilot and assistant.

Yassen Gregorovich
Yassen is Russian, and a ruthless, cold eyed killer. He is also the worlds most deadly assassin. He is contracted to Sayle to provide a deadly computer virus.