Played by Elliot Knight
|First Seen:||Series 1 Episode 1|
Charlie O'Brien is the newest of all them and gets beaten by the criminals but it is unknown if he died as he was taken away in the ambulance.
The latest recruit to the team, Charlie is an ex-police officer, as driven by his anger at injustice as the rest of the gang he has joined. As the baby of the group, he's got a way to go before he learns the rules and the tricks of the trade, but he quickly realises that Jack, Jess and TomTom are kindred spirits.