Jilly Kitzinger is a fictional character in the BBC television programme Torchwood, a spin-off from the long-running series Doctor Who, portrayed by American actress Lauren Ambrose. The character was promoted as one of five new main characters to join Torchwood in its fourth series, Torchwood: Miracle Day (2011), as part of a new co-production between Torchwood's British network, BBC One, and its American financiers on US premium television network Starz. Ambrose appears in seven of the ten episodes, and is credited as a "special guest star" throughout. Whilst reaction to the serial was mixed, Ambrose' portrayal was often singled out by critics for particular praise and in 2012 she received a Saturn Award nomination for Best Supporting Actress on Television.
Miracle Day depicts the effects of an event which halts the process of death worldwide. Jilly Kitzinger is a public relations expert who sees this phenomenon, labelled "Miracle Day" by the media, as an opportunity she can use to further her career. Early in the series she becomes a representative for the paedophile-murderer Oswald...