Imogen Walker is a British Labour Party politician who has served as the Member of Parliament (MP) for Hamilton and Clyde Valley since the 2024 UK general election.^[1][2] She is currently a parliamentary private secretary for Chancellor of the Exchequer, Rachel Reeves.^[3]

Prior to her election to parliament, Walker worked as an actor, a political consultant, and a trustee to the RSPCA, the animal welfare charity. She also served as a ward councillor and deputy finance leader for the London Borough of Lambeth.^[4] She graduated from the University of Edinburgh with a masters in mental philosophy.

In her first major vote in the House of Commons on July 23rd, 2024, Walker cast her ballot along party lines to avoid language regarding the two-child benefit cap in the to the King's Speech, opposing an amendment tabled by the Scottish National Party (SNP).^[5] The vote came amid protest from the left of the Labour Party to scrap the restriction on child benefit eligibility, introduced by the Conservative Party in 2017.

She is married to senior Labour Party operative, Morgan McSweeney, the head of political strategy for UK prime minister Keir Starmer. McSweeney and Walker have a son together.^[6]