Gemma Houlbrooke

 was part of the resistance against the Divine Intervention and interrogated Andy Davidson in 2050. She knew that he and his friends came from 2020 and had them arrested as soon as they arrived. She wanted to know why they were there. She tried to same tack with Tania Bell and try to deadname her to aggravate her. She wanted to know why the Doctor chose his name, and if he was a killer. She later tried to show Helen Sinclair the truth about the Doctor and she revealed she wasn't part of the government. Liv Chenka got annoyed at her methods, and she did this to keep her off grid. She knew about Kaldor as part of her research about the Doctor. Liv tried to tell her that she had been convince that the Doctor wasn't who he thought he was. The Eighth Doctor told her that he wasn't who he thought he was. He convinced her to let them all go. She learnt that the Doctor she was worried about was Robin Bright-Thompson.

In her youth she noticed the TARDIS appearing and disappearing from a Camden street corner and told the Curator. (AUDIO: )