Charlotte Murphy ( born 30 November 1984 ) is an Irish actor . She is best known for playing the lead role of Siobhán Delaney in the hit RTÉ drama '' Love/Hate '' for which she won the 2013 Irish Film and Television Award for Best TV Actress , and as Ann Gallagher in the acclaimed BBC One drama '' Happy Valley '' . She is currently appearing in the BBC One historical crime drama television series '' Peaky Blinders ''
2013 Irish Film and Television Award
10th Irish Film & Television Awards
Charlie Murphy (actress)