This article is a stub.
This article needs expanding. You can help improve this article by adding additional content.

Frieda Petrenko (born 28 September 1980)[1] is a doctor who worked at Holby City Hospital from 2010 to 2012 and again From 2017.

Time at Holby City Hospital (2010-2012, 2015, 2017-)

Frieda first appeared in Series 12 episode 20 "Together Alone" as a night shift ward sister on Darwin, with F1 Penny Valentine finding her annoying and F2 Oliver Valentine commenting her nickname: Freaky Frieda. Frieda is a goth and often gets comments from staff and patients about her appearence. She was introduced as a regular character in Series 12 episode 32 "Take No Prisoners" when she worked a day shift on AAU, where she got comments from clinical lead Linden Cullen, saying that her bed side manner needs improving. She develops an antagonistic relationship with Penny but Frieda confesses to her that she used to be a doctor back in Ukraine. Onwards from there, Penny tries to convince Frieda to be a doctor again, saying she's really good at her job. When Frieda is made redundant, she applies for an F1 post on AAU and gets it. When Penny dies on a crash site, she comforts Penny's brother Oliver, who has a difficult time coping with her death. Frieda passes her F1 exams as the best of the region and is congratulated by CEO Henrik Hanssen. Frieda soon leaves from her F2 post on Keller, when she realises that the NHS doesn't suit her and hands in her notice.

Frieda makes a guest appearance in Series 17 episode 50 "At First I Was Afraid" after she catches tuberculosis as a medic in Afghanistan. Jac Naylor operates on her and she is put on recovery. Her guest appearance was made as fans wouldn't be too angry when cardiothoracic consultant Elliot Hope made a previously unpredicted exit.

Frieda returns as a cardiothoracic registrar on 12 December 2017 and her first job is to operate on Jac Naylor, who's recovering from being shot but has developed cardiac tamponade.


  1.; In the series 12 episode "A Long Night's Journey Into Day", Frieda celebrates her 30th birthday. The episode aired and therefore took place on 28 September 2010, making her date of birth exactly 30 years before this.