Dr. Zara Carmichael is a fictional character from the BBC soap opera Doctors, portrayed by Elisabeth Dermot Walsh. Zara was introduced as a new general practitioner at the fictional Mill Health Centre on 4 June 2009 and remained a regular character until April 2012 when Walsh left to go on maternity leave. She returned for a brief appearance in December 2012, before returning full-time in February 2013. In September 2015, Walsh left again to go on maternity leave. She returned full-time from March 2016 onwards.

Dr. Sid Vere is a fictional character from the BBC soap opera Doctors, portrayed by Ashley Rice. Sid made his first appearance on 27 April 2015 as an F2 doctor at the fictional Mill Health Centre. His storylines in the programme have included his relationships with colleagues Ayesha Lee and Zara Carmichael and discovering his brother, Laurence Richards. For his role as Sid, Rice has been nominated for various accolades including Newcomer at the 21st National Television Awards and the British Soap Award for Best Actor in 2017, 2018 and 2019.