Juliet Nightingale is a fictional character from the British Channel 4 soap opera Hollyoaks, played by Niamh Blackshaw. Hollyoaks announced the character and Blackshaw's casting on 4 September 2018, with the character making her first appearance as Juliet on 21 November 2018. Juliet was introduced as the half-sister of Romeo Nightingale and the daughter of Donna-Marie Quinn and was brought into the soap as part of the decision to expand their family. Juliet is later revealed to be Mac Nightingale's daughter. The shock twist links her to the established Nightingale family, especially Marnie, who she forms a close bond with. Juliet is initially shown to be an aggressive and harsh character, with an initial storyline seeing her bully Brooke Hathaway due to seeing them as an easy target. However, throughout her tenure, her vulnerable and emotional personality has been explored.