Psi

Psi was a hacker / bank robber with an augmented brain who helped the Doctor and Clara rob the Bank of Karabraxosepisode in the episode 'Time Heist'.

Hardly anything was known about Psi. He had previously erased his memories prior to the episode after being convicted as a criminal, and mentioned in doing so, he had erased all his memories of family and friends too. When questioned, he simply replied: "I suppose I loved them."

• He has a prison code on the back of his neck.
• He is played by Jonathan Bailey (Leonardo, Five Children and It).