Joe Byrne


Joseph Byrne


Joe Byrne


CIA, United States of America, Alex Rider

First Appearance

Skeleton Key

Last Appearance

Scorpia Rising

I have to hand it to you Brits. Here at the CIA, we've used cats and dogs - we tried to put a cat into the Korean embassy with a bug on its collar. It was a neat operation and it would have worked, but unfortunately they are it. But we've never used a kid before. Certainly not a kid like you [...]

—Joe Byrne's first meeting with Alex Rider in Cuba

Joe Byrne appeared in the books Skeleton Key, 'Ark Angel and Scorpia Rising.


Byrne appears around sixty, with grizzled white hair and a mustache.


He is the deputy director for the Covert Actions Division of the CIA.

Skeleton Key Characters
Main Characters
Alex RiderAlan BluntTulip JonesJack StarbrightAlexei SarovSabina Pleasure
Other Key Characters
Joe ByrneSmithersBelinda TroyTom TurnerConradJohn CrawleyBoris Kiriyenko
Ark Angel Characters
Main Characters
Alex RiderAlan BluntTulip JonesJack StarbrightNikolei DrevinPaul DrevinMagnus Payne
Other Key Characters
Joe ByrneSmithersTamara KnightMax WebberEd ShulskyJohn Crawley
Scorpia Rising Characters
Main Characters
Alex RiderJack StarbrightAlan BluntAbdul-Aziz Al-RahimJulius Grief
Other Key Characters
SmithersTulip JonesJoe ByrneErik GunterZeljan KurstYannis Ariston Xenopolos